{"product_id":"mars-hydro-ifresh-4in-grow-kit","title":"Mars Hydro iFresh 4\" Smart Fan \u0026 Filter Combo | 205 CFM EC Motor","description":"\u003cdiv class=\"geo-summary\" style=\"background:#f8f9fa; border-left:4px solid #333; padding:20px 24px; margin-bottom:28px; border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 8px 0; color:#333333; font-size:1em;\"\u003eThe Mars Hydro iFresh 4-Inch Smart Inline Duct Fan and Carbon Filter Combo is a complete 4\" ventilation system engineered for craft operators who need automated climate control, odor elimination, and scalable airflow management in compact to mid-size cultivation spaces — replacing piecemeal fan, filter, and controller assemblies with a single integrated kit.\u003c\/p\u003e\n  \u003cul style=\"margin:12px 0 12px 0; padding-left:20px; color:#000000;\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOutcome:\u003c\/strong\u003e Consistent temperature, humidity, and odor control via EC motor-driven airflow up to 205 CFM with app-enabled automation and VPD monitoring capability.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eReplaces:\u003c\/strong\u003e Separate inline fan, carbon filter, speed controller, and ducting purchased individually — eliminates compatibility guesswork and cable clutter.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEnvironment:\u003c\/strong\u003e Designed for 4-inch ducted cultivation enclosures ranging from compact single-canopy rooms to multi-tent scaled operations.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp style=\"margin:8px 0 4px 0; font-weight:bold; color:#333333;\"\u003eFACTORY-AUTHORIZED DEALER — CANNAFULL SPECTRUM SOLUTIONS\u003c\/p\u003e\n  \u003cp style=\"margin:0; color:#333333; font-size:0.95em;\"\u003eDeployed in licensed commercial facilities across the United States.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cp style=\"color:#333333; font-size:0.95em; margin-top:8px;\"\u003e\u003cstrong\u003eQuick Spec:\u003c\/strong\u003e 205 CFM | 26 dBA | EC Motor | PWM Speed Control | 27W (±5%) | IP44 | 110–240 VAC | Dimensions: 11.9 x 6.4 x 3.8 in (30.2 x 16.3 x 9.7 cm)\u003c\/p\u003e\n\n\u003cdiv style=\"margin:36px 0;\"\u003e\n  \u003ch2 style=\"color:#333333; text-align:center; font-size:1.6em; margin-bottom:20px;\"\u003ePrecision Control in Any Space\u003c\/h2\u003e\n\n  \u003cp style=\"color:#000000; line-height:1.7; margin-bottom:18px;\"\u003eWhen ventilation is an afterthought, the entire operation pays for it — silently, cycle after cycle. Mismatched components introduce dead zones where stale air stagnates and humidity climbs unchecked. Manual speed controllers demand constant attention that operators cannot afford to give. Carbon filters sized wrong for the fan they're paired with either choke airflow or fail to scrub odor loads, creating compliance exposure and canopy stress simultaneously. Every hour the environment drifts outside target parameters is an hour the crop is underperforming, and most operators never see the cost because it never shows up as a single line item — it shows up as variance at harvest.\u003c\/p\u003e\n\n  \u003cp style=\"color:#000000; line-height:1.7; margin-bottom:18px;\"\u003eAfter deployment, the cultivation space runs on a closed-loop environmental logic rather than operator intuition. Airflow is dialed to the exact CFM the space demands, not the maximum the fan can push. Odor is neutralized at the source before it reaches the exhaust stream. Climate triggers fire automatically when temperature or humidity crosses a set threshold, and the operator receives an alert rather than discovering the problem during a walkthrough. The result is a space that holds its parameters across the full photoperiod without manual intervention — and a facility that scales without adding proportional labor overhead.\u003c\/p\u003e\n\n  \u003cp style=\"color:#000000; line-height:1.7; margin-bottom:18px;\"\u003eThe mechanism behind that outcome is an EC (electronically commutated) motor operating at up to 3,000 RPM (±10%), delivering a maximum airflow of 205 CFM (348 m³\/h) against a static pressure of 347 Pa (±10%). EC motor architecture provides longer service life than AC motor equivalents while drawing only 27W (±5%) at a rated current of 0.4A maximum — operating across the full 110–240 VAC, 50\/60 Hz range without a separate transformer. Noise output is held to 26 dBA, keeping the acoustic footprint below the threshold where it becomes a facility management issue. The PWM speed control architecture allows precise airflow modulation, and the USB-based smart controller design eliminates the cable clutter that makes multi-unit installations difficult to maintain. The included Australian activated charcoal carbon filter handles both odor and particulate removal, and the full kit — fan, filter, 25-ft flexible duct tube, speed controller, 3 duct clamps, and 2 hanging straps — arrives as a matched system, not a collection of parts. In practical terms, the Mars Hydro iFresh 4\" Grow Kit delivers up to 205 CFM of EC-motor-driven airflow at 26 dBA and 27W across a 4-inch ducted installation on any 110–240 VAC circuit.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin:36px 0;\"\u003e\n  \u003ch2 style=\"color:#333333; font-size:1.4em; margin-bottom:16px;\"\u003eWhere This Belongs (and Doesn't)\u003c\/h2\u003e\n  \u003cp style=\"font-style:italic; color:#333333; font-size:0.9em; margin-bottom:16px;\"\u003eElectrical and HVAC integration must comply with applicable local codes. Consult a licensed electrician or mechanical contractor before installing inline ventilation in any ducted system connected to building infrastructure. This unit is rated IP44 and is not rated for direct moisture exposure or outdoor installation.\u003c\/p\u003e\n\n  \u003cdiv style=\"display:flex; flex-wrap:wrap; gap:20px;\"\u003e\n    \u003cdiv style=\"flex:1; min-width:220px; background:#f8f9fa; border-left:4px solid #333; padding:16px 18px; border-radius:4px;\"\u003e\n      \u003cp style=\"font-weight:bold; color:#333333; margin:0 0 10px 0;\"\u003eDesigned For\u003c\/p\u003e\n      \u003cul style=\"margin:0; padding-left:18px; color:#000000; line-height:1.7;\"\u003e\n        \u003cli\u003e4-inch ducted cultivation enclosures\u003c\/li\u003e\n        \u003cli\u003eSingle-canopy and multi-tent scaled operations\u003c\/li\u003e\n        \u003cli\u003eOperators requiring automated climate triggers and remote monitoring\u003c\/li\u003e\n        \u003cli\u003eFacilities running 110–240 VAC infrastructure\u003c\/li\u003e\n        \u003cli\u003eInstallations where noise management is an operational requirement (26 dBA)\u003c\/li\u003e\n        \u003cli\u003eOperators who intend to upgrade to app-based VPD monitoring via the iFresh Add-On Pack\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex:1; min-width:220px; background:#f8f9fa; border-left:4px solid #333; padding:16px 18px; border-radius:4px;\"\u003e\n      \u003cp style=\"font-weight:bold; color:#333333; margin:0 0 10px 0;\"\u003eNot Designed For\u003c\/p\u003e\n      \u003cul style=\"margin:0; padding-left:18px; color:#000000; line-height:1.7;\"\u003e\n        \u003cli\u003eDuct diameters other than 4 inches without appropriate reducers\u003c\/li\u003e\n        \u003cli\u003eOutdoor or direct-moisture environments (IP44 rated, not waterproof)\u003c\/li\u003e\n        \u003cli\u003eApplications requiring airflow beyond 205 CFM — size up to a 6\" or 8\" unit\u003c\/li\u003e\n        \u003cli\u003eInstallations where app control is required out of the box without the Pro Add-On\u003c\/li\u003e\n        \u003cli\u003eFacilities operating outside the -20°C to 60°C (-4°F to 140°F) operating temperature range\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin:36px 0;\"\u003e\n  \u003ch2 style=\"color:#333333; font-size:1.4em; margin-bottom:16px;\"\u003eHow It Works\u003c\/h2\u003e\n\n  \u003cp style=\"color:#000000; line-height:1.7; margin-bottom:18px;\"\u003eThe iFresh 4\" kit is built around an EC motor — electronically commutated, brushless, and inherently more efficient than AC motor designs at partial load. The motor drives the fan blade assembly at up to 3,000 RPM (±10%), producing a maximum airflow of 205 CFM (348 m³\/h) with a static pressure ceiling of 347 Pa (±10%). Because EC motors modulate speed electronically rather than through resistive throttling, power draw scales with demand: the unit draws only 27W (±5%) at a maximum rated current of 0.4A, operating on any 110–240 VAC, 50\/60 Hz supply. The IP44 enclosure rating protects the motor and electronics against particulate ingress and directional moisture contact, making the unit suitable for the humidity-variable conditions present in active cultivation environments.\u003c\/p\u003e\n\n  \u003cp style=\"color:#000000; line-height:1.7; margin-bottom:18px;\"\u003eSpeed control is delivered via PWM (pulse-width modulation), which allows precise, stepless airflow adjustment rather than the coarse stepped control of traditional AC fan controllers. The included speed controller uses a USB-based connection architecture that reduces cable clutter in multi-unit installations — a meaningful operational advantage when managing several tents or rooms from a single walkway. For operators who require automation, the Standard Version is field-upgradeable to app-based control via the iFresh Pro Add-On Pack, which adds an iConnect controller and temperature\/humidity sensor. Once the Pro Add-On is installed, the system supports remote airflow adjustments, alarm notifications, climate-triggered automation, loop timers, and VPD monitoring — all managed through the Mars Hydro app without requiring physical access to the unit.\u003c\/p\u003e\n\n  \u003cp style=\"color:#000000; line-height:1.7; margin-bottom:18px;\"\u003eThe included carbon filter uses Australian activated charcoal media in a refillable housing, providing odor and particulate removal matched to the fan's 205 CFM output. The refillable design eliminates the recurring cost of full filter replacement — operators replenish the activated charcoal media rather than purchasing a new filter body each cycle. The complete kit includes the 4\" inline duct fan, 4\" carbon filter, speed controller, 25-ft flexible duct tube, 3 duct clamps, and 2 hanging straps — all components sized and matched to operate together without aftermarket adaptation. In practical terms, the Mars Hydro iFresh 4\" Grow Kit delivers 205 CFM of EC-motor airflow at 26 dBA, 27W (±5%), and 347 Pa static pressure through a complete 4-inch ducted system on 110–240 VAC.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#f8f9fa; border-left:4px solid #333; padding:18px 22px; margin:36px 0; border-radius:4px;\"\u003e\n  \u003ch2 style=\"color:#333333; font-size:1.3em; margin-bottom:14px;\"\u003eConfiguration Decoder\u003c\/h2\u003e\n  \u003cp style=\"color:#000000; line-height:1.7; margin-bottom:12px;\"\u003eThe iFresh 4\" Grow Kit is available in two configurations. Both share identical hardware specifications — same EC motor, same airflow rating, same carbon filter, same duct kit. The difference is control architecture.\u003c\/p\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse; color:#000000; font-size:0.95em;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"background:#e9ecef;\"\u003e\n        \u003cth style=\"padding:10px 12px; text-align:left; border-bottom:2px solid #333; color:#333333;\"\u003eConfiguration\u003c\/th\u003e\n        \u003cth style=\"padding:10px 12px; text-align:left; border-bottom:2px solid #333; color:#333333;\"\u003eWhat's Included\u003c\/th\u003e\n        \u003cth style=\"padding:10px 12px; text-align:left; border-bottom:2px solid #333; color:#333333;\"\u003eControl Capability\u003c\/th\u003e\n        \u003cth style=\"padding:10px 12px; text-align:left; border-bottom:2px solid #333; color:#333333;\"\u003ePrice\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:10px 12px; border-bottom:1px solid #dee2e6;\"\u003e\u003cstrong\u003eStandard Version\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px; border-bottom:1px solid #dee2e6;\"\u003eFan, carbon filter, speed controller, 25-ft duct tube, 3 clamps, 2 hanging straps\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px; border-bottom:1px solid #dee2e6;\"\u003eManual PWM speed control via included controller. Upgradeable to app control via Pro Add-On Pack.\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px; border-bottom:1px solid #dee2e6;\"\u003e$129.99\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:10px 12px;\"\u003e\u003cstrong\u003ePro Version Add-On\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px;\"\u003eiConnect controller + temperature\/humidity sensor (fan and filter kit purchased separately or already owned)\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px;\"\u003eFull app control: remote adjustments, alarm notifications, climate triggers, loop timers, VPD monitoring via Mars Hydro app\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px;\"\u003e$10.99\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n  \u003cp style=\"color:#333333; font-size:0.88em; margin-top:12px; margin-bottom:0;\"\u003e\u003cem\u003eNote: The Pro Version Add-On is a controller upgrade accessory, not a standalone kit. It requires the Standard Version fan and filter system to function. App control requires both the iConnect controller and the temperature\/humidity sensor included in the Add-On Pack.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#f0f7ff; border-left:4px solid #007bff; padding:18px 22px; margin:36px 0; border-radius:4px;\"\u003e\n  \u003ch2 style=\"color:#333333; font-size:1.3em; margin-bottom:14px;\"\u003eCommercial Assurance\u003c\/h2\u003e\n  \u003cul style=\"margin:0; padding-left:20px; color:#000000; line-height:1.8;\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Mars Hydro — direct supply chain with vertically integrated production, enabling commercial-grade component specifications at reduced price points relative to competing brands.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMotor Standard:\u003c\/strong\u003e EC motor with service life exceeding comparable AC motor designs; core motor and blade specifications are fully comparable to flagship models from competing brands per manufacturer documentation.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eElectrical Compliance:\u003c\/strong\u003e Operates on 110–240 VAC, 50\/60 Hz — compatible with standard U.S. commercial and residential electrical infrastructure without step-down transformers.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIP Rating:\u003c\/strong\u003e IP44 — protected against solid particulate ingress (1mm+) and directional water spray; suitable for the humidity-variable conditions of active cultivation environments.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Warranty period not specified in source data. Contact Cannafull Spectrum Solutions at support@cannafullspec.com for current warranty terms prior to purchase.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAuthorized Dealer:\u003c\/strong\u003e Cannafull Spectrum Solutions is a factory-authorized dealer for Mars Hydro products. All units are sourced through authorized distribution channels and carry full manufacturer support eligibility.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin:36px 0;\"\u003e\n  \u003ch2 style=\"color:#333333; font-size:1.4em; margin-bottom:16px;\"\u003eSystem Integration\u003c\/h2\u003e\n  \u003cul style=\"color:#000000; line-height:1.8; padding-left:20px;\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDucting Compatibility:\u003c\/strong\u003e Designed for standard 4-inch flexible or rigid duct systems; the included 25-ft flexible duct tube and 3 duct clamps provide immediate installation capability without additional hardware.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eElectrical Integration:\u003c\/strong\u003e 110–240 VAC, 50\/60 Hz operation allows direct connection to standard U.S. commercial circuits; 0.4A maximum rated current presents negligible load on shared circuits.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAutomation Ecosystem:\u003c\/strong\u003e When paired with the iFresh Pro Add-On Pack (iConnect controller + temperature\/humidity sensor), the unit integrates into the Mars Hydro app ecosystem for climate-triggered automation, VPD monitoring, loop timers, and remote alarm management.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMulti-Unit Scalability:\u003c\/strong\u003e USB-based controller architecture and low per-unit power draw (27W ±5%) support scalable deployment across multiple tents or rooms without significant electrical infrastructure changes.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCarbon Filter Maintenance:\u003c\/strong\u003e Refillable activated charcoal media housing eliminates full filter replacement cycles — operators replenish media only, reducing ongoing consumable costs in multi-cycle operations.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#f0f7ff; border-left:4px solid #007bff; padding:18px 22px; margin:36px 0; border-radius:4px;\"\u003e\n  \u003ch3 style=\"color:#333333; font-size:1.2em; margin-bottom:12px;\"\u003eFacility Integration Data\u003c\/h3\u003e\n  \u003cp style=\"color:#000000; line-height:1.7; margin-bottom:16px;\"\u003eThe following table models electrical load and procurement cost for fleet deployments of the iFresh 4\" Grow Kit (Standard Version) across scaled facility configurations. All figures are based on verified source specifications: 27W (±5%) input power, 0.4A maximum rated current per unit, $129.99 MAP per unit.\u003c\/p\u003e\n\n  \u003ctable style=\"width:100%; border-collapse:collapse; color:#000000; font-size:0.95em;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"background:#dbeeff;\"\u003e\n        \u003cth style=\"padding:10px 12px; text-align:left; border-bottom:2px solid #007bff; color:#333333;\"\u003eFleet Size\u003c\/th\u003e\n        \u003cth style=\"padding:10px 12px; text-align:left; border-bottom:2px solid #007bff; color:#333333;\"\u003eTotal Input Power (W)\u003c\/th\u003e\n        \u003cth style=\"padding:10px 12px; text-align:left; border-bottom:2px solid #007bff; color:#333333;\"\u003eTotal Max Current (A @ 120V)\u003c\/th\u003e\n        \u003cth style=\"padding:10px 12px; text-align:left; border-bottom:2px solid #007bff; color:#333333;\"\u003eTotal Airflow Capacity (CFM)\u003c\/th\u003e\n        \u003cth style=\"padding:10px 12px; text-align:left; border-bottom:2px solid #007bff; color:#333333;\"\u003eProcurement Cost (USD)\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:10px 12px; border-bottom:1px solid #cce0ff;\"\u003e\u003cstrong\u003e10 Units\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px; border-bottom:1px solid #cce0ff;\"\u003e270W\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px; border-bottom:1px solid #cce0ff;\"\u003e4.0A\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px; border-bottom:1px solid #cce0ff;\"\u003e2,050 CFM\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px; border-bottom:1px solid #cce0ff;\"\u003e$1,299.90\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background:#f0f7ff;\"\u003e\n        \u003ctd style=\"padding:10px 12px; border-bottom:1px solid #cce0ff;\"\u003e\u003cstrong\u003e20 Units\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px; border-bottom:1px solid #cce0ff;\"\u003e540W\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px; border-bottom:1px solid #cce0ff;\"\u003e8.0A\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px; border-bottom:1px solid #cce0ff;\"\u003e4,100 CFM\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px; border-bottom:1px solid #cce0ff;\"\u003e$2,599.80\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:10px 12px;\"\u003e\u003cstrong\u003e50 Units\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px;\"\u003e1,350W\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px;\"\u003e20.0A\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px;\"\u003e10,250 CFM\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px;\"\u003e$6,499.50\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n  \u003cp style=\"color:#333333; font-size:0.85em; margin-top:10px; margin-bottom:0;\"\u003e\u003cem\u003ePower figures use nominal 27W per unit. Current figures use 0.4A maximum rated current per unit at 120V. Actual draw will vary with speed setting and static pressure load. Consult a licensed electrician for circuit capacity planning on fleet deployments of 20+ units.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin:36px 0;\"\u003e\n  \u003ch2 style=\"color:#333333; font-size:1.4em; margin-bottom:16px;\"\u003eOperator Field Notes\u003c\/h2\u003e\n  \u003cul style=\"color:#000000; line-height:1.8; padding-left:20px;\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEC Motor Longevity:\u003c\/strong\u003e EC motors eliminate the brush wear and heat buildup that limit AC motor service life — plan for significantly longer replacement intervals compared to conventional inline fans at this price point.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eNoise Floor Management:\u003c\/strong\u003e At 26 dBA, the iFresh 4\" operates below the threshold where fan noise becomes a facility management issue; this matters in multi-room operations where cumulative equipment noise affects walkthrough conditions.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUpgrade Path Planning:\u003c\/strong\u003e If app-based automation is a near-term operational requirement, purchase the Pro Add-On Pack at the time of initial kit procurement — the $10.99 add-on is significantly less expensive than retrofitting a separate smart controller later.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCarbon Filter Media:\u003c\/strong\u003e The refillable housing means filter maintenance is a media replenishment task, not a full filter replacement. Track media saturation by odor breakthrough rather than a fixed calendar interval — actual cycle length depends on canopy load and airflow rate.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eStatic Pressure Awareness:\u003c\/strong\u003e The 347 Pa static pressure rating is the ceiling, not the operating target. Long duct runs, multiple bends, and loaded carbon filters all reduce effective airflow below the 205 CFM maximum — size duct runs accordingly and minimize unnecessary bends.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVoltage Flexibility:\u003c\/strong\u003e The 110–240 VAC operating range means this unit can be redeployed across facilities with different electrical infrastructure without modification — a meaningful advantage for operators managing multiple sites.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin:36px 0;\" itemscope itemtype=\"https:\/\/schema.org\/FAQPage\"\u003e\n  \u003ch2 style=\"color:#333333; font-size:1.4em; margin-bottom:16px;\"\u003eOperator FAQ\u003c\/h2\u003e\n\n  \u003cdetails itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" style=\"margin-bottom:14px; border-bottom:1px solid #dee2e6; padding-bottom:14px;\"\u003e\n    \u003csummary itemprop=\"name\" style=\"font-weight:bold; color:#333333; cursor:pointer; padding:4px 0;\"\u003eQ: What is the difference between the Standard Version and the Pro Version Add-On?\u003c\/summary\u003e\n    \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n      \u003cp itemprop=\"text\" style=\"color:#000000; line-height:1.7; margin-top:10px;\"\u003eA: The Standard Version ($129.99) is the complete kit — 4\" inline duct fan, carbon filter, speed controller, 25-ft flexible duct tube, 3 duct clamps, and 2 hanging straps. It operates via manual PWM speed control using the included controller. The Pro Version Add-On ($10.99) is a controller upgrade accessory that adds an iConnect controller and temperature\/humidity sensor, enabling full app-based control: remote airflow adjustments, alarm notifications, climate-triggered automation, loop timers, and VPD monitoring through the Mars Hydro app. The Pro Add-On requires the Standard Version fan and filter system to function — it is not a standalone kit.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" style=\"margin-bottom:14px; border-bottom:1px solid #dee2e6; padding-bottom:14px;\"\u003e\n    \u003csummary itemprop=\"name\" style=\"font-weight:bold; color:#333333; cursor:pointer; padding:4px 0;\"\u003eQ: Can I upgrade from the Standard Version to app control later without buying a new fan?\u003c\/summary\u003e\n    \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n      \u003cp itemprop=\"text\" style=\"color:#000000; line-height:1.7; margin-top:10px;\"\u003eA: Yes. The Standard Version is designed to be field-upgradeable. Purchasing the iFresh Pro Add-On Pack separately adds the iConnect controller and temperature\/humidity sensor to your existing Standard Version installation, enabling the full app control feature set without replacing the fan, filter, or duct hardware. This upgrade path is available at any point after initial installation.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" style=\"margin-bottom:14px; border-bottom:1px solid #dee2e6; padding-bottom:14px;\"\u003e\n    \u003csummary itemprop=\"name\" style=\"font-weight:bold; color:#333333; cursor:pointer; padding:4px 0;\"\u003eQ: What is the actual airflow I should expect in a real installation versus the 205 CFM rating?\u003c\/summary\u003e\n    \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n      \u003cp itemprop=\"text\" style=\"color:#000000; line-height:1.7; margin-top:10px;\"\u003eA: The 205 CFM rating is the maximum free-air airflow at the fan's maximum speed (3,000 RPM ±10%). In a real installation, effective airflow will be lower due to static pressure losses from the carbon filter, duct length, duct bends, and any fittings in the run. The fan is rated to 347 Pa (±10%) static pressure, which defines its ability to push air against resistance. For most 4-inch tent installations with a standard carbon filter and a reasonable duct run, effective airflow will be meaningfully below 205 CFM — plan your air exchange calculations accordingly and minimize unnecessary duct bends to preserve as much airflow as possible.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" style=\"margin-bottom:14px; border-bottom:1px solid #dee2e6; padding-bottom:14px;\"\u003e\n    \u003csummary itemprop=\"name\" style=\"font-weight:bold; color:#333333; cursor:pointer; padding:4px 0;\"\u003eQ: How often does the carbon filter media need to be replaced?\u003c\/summary\u003e\n    \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n      \u003cp itemprop=\"text\" style=\"color:#000000; line-height:1.7; margin-top:10px;\"\u003eA: The carbon filter uses a refillable housing with Australian activated charcoal media. Replacement interval depends on canopy load, airflow rate, and the odor intensity of the cultivar being run — there is no fixed calendar-based replacement schedule that applies universally. The practical indicator is odor breakthrough: when the filter no longer fully scrubs exhaust air to an acceptable level, the media is saturated and should be replenished. Because the housing is refillable, operators replace only the activated charcoal media rather than purchasing a complete new filter assembly, which reduces ongoing consumable costs.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" style=\"margin-bottom:14px; border-bottom:1px solid #dee2e6; padding-bottom:14px;\"\u003e\n    \u003csummary itemprop=\"name\" style=\"font-weight:bold; color:#333333; cursor:pointer; padding:4px 0;\"\u003eQ: Is this unit compatible with 240V commercial circuits in the United States?\u003c\/summary\u003e\n    \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n      \u003cp itemprop=\"text\" style=\"color:#000000; line-height:1.7; margin-top:10px;\"\u003eA: Yes. The iFresh 4\" operates across the full 110–240 VAC range at 50\/60 Hz, making it compatible with both standard 120V residential\/light commercial circuits and 240V commercial circuits without a step-down transformer. The maximum rated current is 0.4A, which presents a negligible load on any standard commercial circuit. Verify plug configuration and outlet compatibility for your specific 240V installation before connecting.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" style=\"margin-bottom:14px; padding-bottom:4px;\"\u003e\n    \u003csummary itemprop=\"name\" style=\"font-weight:bold; color:#333333; cursor:pointer; padding:4px 0;\"\u003eQ: What warranty coverage applies to the iFresh 4\" Grow Kit?\u003c\/summary\u003e\n    \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n      \u003cp itemprop=\"text\" style=\"color:#000000; line-height:1.7; margin-top:10px;\"\u003eA: Warranty period is not specified in the available source data for this SKU. Contact Cannafull Spectrum Solutions directly at support@cannafullspec.com before purchase to confirm current warranty terms from Mars Hydro. As a factory-authorized dealer, Cannafull Spectrum Solutions can facilitate warranty claims and manufacturer support for all Mars Hydro products purchased through our store.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin:36px 0;\"\u003e\n  \u003ch2 style=\"color:#333333; font-size:1.4em; margin-bottom:16px;\"\u003eShipping and Logistics\u003c\/h2\u003e\n  \u003cul style=\"color:#000000; line-height:1.8; padding-left:20px;\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eShipping Territory:\u003c\/strong\u003e Cannafull Spectrum Solutions ships within the contiguous 48 United States only. Orders to Alaska, Hawaii, U.S. territories, or international destinations cannot be fulfilled through this store.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCarrier and Transit:\u003c\/strong\u003e Standard and expedited shipping options are available at checkout. Transit times vary by destination and carrier availability. Commercial address delivery may qualify for reduced freight rates on multi-unit orders — contact us before placing large fleet orders.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eReturns:\u003c\/strong\u003e Returns are accepted for defective units per our Return Policy. Non-defective returns must be initiated within the return window specified at cannafullspec.com\/pages\/return-policy. Units must be returned in original, uninstalled condition with all included components.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRestocking Fee:\u003c\/strong\u003e Returns of non-defective items are subject to a restocking fee of up to 25% per our Return Policy. Review full terms at cannafullspec.com\/pages\/return-policy before ordering.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp style=\"color:#333333; font-weight:bold; margin-top:12px;\"\u003eQuestions about your order? Contact Cannafull Spectrum Solutions at support@cannafullspec.com or through the contact form at cannafullspec.com.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin:36px 0;\"\u003e\n  \u003ch2 style=\"color:#333333; font-size:1.4em; margin-bottom:16px;\"\u003eWhat's in the Box\u003c\/h2\u003e\n  \u003cul style=\"color:#000000; line-height:1.8; padding-left:20px;\"\u003e\n    \u003cli\u003e1x Mars Hydro iFresh 4-Inch Smart Inline Duct Fan (EC motor, PWM speed control)\u003c\/li\u003e\n    \u003cli\u003e1x 4-Inch Refillable Carbon Filter (Australian activated charcoal media)\u003c\/li\u003e\n    \u003cli\u003e1x Speed Controller (USB-based, manual PWM)\u003c\/li\u003e\n    \u003cli\u003e1x 25-ft Flexible Duct Tube (4-inch diameter)\u003c\/li\u003e\n    \u003cli\u003e3x Duct Clamps\u003c\/li\u003e\n    \u003cli\u003e2x Hanging Straps\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp style=\"color:#333333; font-size:0.88em; margin-top:10px;\"\u003e\u003cem\u003eNote: The iConnect controller and temperature\/humidity sensor required for app-based smart control are NOT included in the Standard Version. These components are available separately via the iFresh Pro Version Add-On Pack. Kit contents confirmed from manufacturer source data. Verify actual box contents upon receipt and report any discrepancies to Cannafull Spectrum Solutions within 48 hours of delivery.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin:36px 0;\"\u003e\n  \u003ch2 style=\"color:#333333; font-size:1.4em; margin-bottom:16px;\"\u003eRegional Compliance and Deployment Notes\u003c\/h2\u003e\n  \u003cul style=\"color:#000000; line-height:1.8; padding-left:20px;\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eElectrical Code Compliance:\u003c\/strong\u003e Installation must comply with the National Electrical Code (NEC) and all applicable state and local electrical codes. Consult a licensed electrician before integrating this unit into any fixed building electrical system.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIP44 Rating Scope:\u003c\/strong\u003e The IP44 enclosure rating provides protection against solid particulate ingress (1mm and larger) and directional water spray. This unit is not rated for submersion, direct water exposure, or outdoor installation. Do not install in locations subject to direct precipitation or standing water.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVentilation and Building Codes:\u003c\/strong\u003e Inline duct fans connected to building HVAC or exhaust infrastructure may be subject to mechanical permitting requirements. Verify local building code requirements before connecting to shared building ventilation systems.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOperating Temperature Range:\u003c\/strong\u003e This unit is rated for operating temperatures of -20°C to 60°C (-4°F to 140°F). Do not operate outside this range. Ambient temperatures above 60°C may cause motor thermal protection to activate.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLicensed Facility Deployment:\u003c\/strong\u003e Operators deploying this equipment in licensed cultivation facilities are responsible for ensuring all ventilation and odor control systems meet the requirements of their state or local licensing authority. Cannafull Spectrum Solutions does not provide compliance consulting services.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eU.S. Deployment Only:\u003c\/strong\u003e This product is sold and supported by Cannafull Spectrum Solutions for deployment in licensed U.S. facilities within the contiguous 48 states only.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cp style=\"font-size:0.85em; color:#666;\"\u003eProduct specifications, pricing, and availability are subject to change without notice. All technical data sourced from Mars Hydro manufacturer documentation. Cannafull Spectrum Solutions makes no independent claims beyond those supported by manufacturer source data. Warranty terms should be confirmed directly with Cannafull Spectrum Solutions prior to purchase. This product page is intended for informational purposes for licensed commercial operators in the contiguous United States.\u003c\/p\u003e","brand":"Mars Hydro","offers":[{"title":"Default Title","offer_id":44237271400583,"sku":"MH-4IN-GROWKIT","price":139.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/4450\/4455\/files\/A_1-Mars-Fan-2025-iFresh-Fan_855475ed-154e-4875-a19a-776680474f7a.jpg?v=1774168290","url":"https:\/\/cannafullspec.com\/products\/mars-hydro-ifresh-4in-grow-kit","provider":"CannaFull Spectrum Solutions","version":"1.0","type":"link"}