{"product_id":"mars-hydro-ifresh-4in-inline-fan-carbon-filter-kit","title":"Mars Hydro iFresh 4\" Inline Fan Carbon Filter Kit | 205 CFM 26 dBA 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 10px 0; color:#333333; font-size:1em;\"\u003eThe Mars Hydro iFresh 4\" Inline Fan Carbon Filter Kit is a complete environmental control bundle engineered for compact cultivation spaces requiring precise airflow management, odor elimination, and scalable smart climate automation — replacing fragmented, mismatched ventilation assemblies with a single, pre-matched system.\u003c\/p\u003e\n  \u003cul style=\"margin:12px 0 14px 0; padding-left:20px; color:#000000;\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOutcome:\u003c\/strong\u003e Stable temperature and humidity control at 205 CFM with 26 dBA acoustic output, enabling consistent environmental conditions without manual intervention.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eReplaces:\u003c\/strong\u003e Unmatched fan-and-filter combinations, AC motor inline fans with fixed-speed operation, and disconnected analog speed controllers.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEnvironment:\u003c\/strong\u003e Compact enclosed cultivation spaces, 4-inch ducted enclosures, and multi-zone setups requiring low-noise, energy-efficient forced-air ventilation.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp style=\"margin:10px 0 6px 0; font-weight:bold; color:#333333;\"\u003eFACTORY-AUTHORIZED DEALER — CANNAFULL SPECTRUM SOLUTIONS\u003c\/p\u003e\n  \u003cp style=\"margin:0; color:#333333; font-size:0.92em;\"\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-bottom:32px;\"\u003e\u003cstrong\u003eQuick Spec:\u003c\/strong\u003e 4\" Duct | 205 CFM | 26 dBA | 347±10% Pa Static Pressure | 27 W±5% | EC Motor | PWM Control | IP44 | 110–240 VAC\u003c\/p\u003e\n\n\u003cdiv style=\"margin-bottom:40px;\"\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; margin-bottom:18px;\"\u003eUncontrolled airflow is a silent yield killer. When ventilation equipment operates at fixed speeds with no feedback loop, temperature and humidity drift unchecked — vapor pressure deficit swings outside the optimal window, canopy microclimates develop, and the operator is left chasing conditions rather than managing them. Mismatched fan-and-filter assemblies compound the problem: undersized static pressure ratings allow backpressure to choke airflow, carbon media saturates unevenly, and the noise floor climbs high enough to signal mechanical stress before any alarm triggers. The cost is not a single catastrophic event — it is the slow, compounding erosion of environmental consistency across every cycle.\u003c\/p\u003e\n\n  \u003cp style=\"color:#000000; margin-bottom:18px;\"\u003eAfter deployment, the space operates differently. Airflow is dialed to the exact exchange rate the canopy demands, not the fixed maximum an AC motor can produce. The carbon filter pulls odor and particulates continuously, matched in diameter and static pressure capacity to the fan it ships with. Climate data feeds back into the control layer automatically when the MarsPro Add-On Pack is connected, and the operator monitors VPD, sets climate triggers, and adjusts fan speed remotely — without entering the space. The environment holds. The operator manages by exception, not by constant presence.\u003c\/p\u003e\n\n  \u003cp style=\"color:#000000; margin-bottom:18px;\"\u003eThe mechanism behind that outcome is a PWM-controlled EC motor running at 3000±10% RPM, delivering 205 CFM against 347±10% Pa of static pressure — enough to overcome the resistance of a loaded carbon filter and ducting run without sacrificing the 26 dBA acoustic floor that keeps the system unobtrusive in dense configurations. Input power is 27 W±5% across a universal voltage range of 110–240 VAC at 50\/60 Hz, drawing a maximum of 0.4 A. The IP44 rating protects internal components against particulate ingress and moisture exposure inherent to enclosed cultivation environments. The USB-based smart controller reduces cable clutter, and the expansion port allows the Standard Version to be upgraded to full app-based climate automation via the iFresh MarsPro Add-On Pack without replacing the fan unit. In practical terms, the Mars Hydro iFresh 4\" Kit delivers 205 CFM at 26 dBA across a 4-inch ducted system at 27 W±5% with full PWM speed control and an upgrade path to automated VPD-responsive climate management.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-bottom:40px;\"\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=\"color:#666; font-style:italic; font-size:0.88em; margin-bottom:18px;\"\u003eElectrical and HVAC integration must be performed in accordance with applicable local codes. Cannafull Spectrum Solutions recommends consultation with a licensed electrician or mechanical contractor before installing forced-air ventilation systems in any facility subject to commercial building standards. This kit is rated for 110–240 VAC; verify supply voltage and circuit capacity before connection.\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; font-size:0.95em;\"\u003e\n        \u003cli\u003e4-inch ducted enclosures requiring 205 CFM forced-air exchange\u003c\/li\u003e\n        \u003cli\u003eCompact multi-zone cultivation spaces with noise-sensitive adjacencies\u003c\/li\u003e\n        \u003cli\u003eOperators requiring a pre-matched fan, filter, and ducting assembly\u003c\/li\u003e\n        \u003cli\u003eFacilities scaling toward automated climate control via MarsPro app integration\u003c\/li\u003e\n        \u003cli\u003eUniversal voltage installations: 110–240 VAC, 50\/60 Hz\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex:1; min-width:220px; background:#fff3f3; border-left:4px solid #cc0000; 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; font-size:0.95em;\"\u003e\n        \u003cli\u003e6-inch or 8-inch duct systems requiring higher CFM throughput\u003c\/li\u003e\n        \u003cli\u003eOpen-air or unducted ventilation configurations\u003c\/li\u003e\n        \u003cli\u003eInstallations requiring NEMA 4X or IP65+ ingress protection ratings\u003c\/li\u003e\n        \u003cli\u003eHigh-static-pressure commercial HVAC trunk lines exceeding the 347±10% Pa operating 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-bottom:40px;\"\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; margin-bottom:16px;\"\u003eThe iFresh 4\" system is built around a brushless EC (electronically commutated) motor operating at 3000±10% RPM. Unlike AC induction motors that run at a fixed speed determined by line frequency, the EC motor accepts PWM (pulse-width modulation) signals from the included speed controller, allowing stepless airflow adjustment from minimum to the 205 CFM rated maximum. This architecture eliminates the on\/off cycling that creates temperature spikes in fixed-speed systems and extends motor service life relative to AC alternatives by reducing thermal and mechanical stress during partial-load operation.\u003c\/p\u003e\n\n  \u003cp style=\"color:#000000; margin-bottom:16px;\"\u003eStatic pressure capacity is rated at 347±10% Pa — sufficient to maintain rated airflow through the included carbon filter and a standard ducting run without the fan hunting or surging under backpressure. The carbon filter uses Australian activated charcoal media in a refillable housing, allowing operators to replace media without replacing the filter body. The 26 dBA acoustic output at operating speed is a function of the EC motor's smooth torque curve and blade geometry, not acoustic dampening foam — meaning noise performance does not degrade as the filter loads.\u003c\/p\u003e\n\n  \u003cp style=\"color:#000000; margin-bottom:16px;\"\u003eThe smart controller uses a USB-based connection architecture that reduces cable routing complexity in tight enclosures. The Standard Version ships with a physical speed controller; the expansion port on the fan housing accepts the iFresh MarsPro Add-On Pack (iConnect controller and temperature\/humidity sensor, sold separately at $10.99 with 50% discount applied), which connects the unit to the MarsPro APP. Once connected, the app enables remote fan speed adjustment, on\/off scheduling, loop timers, alarm thresholds, and climate triggers — including automated VPD-responsive airflow modulation based on live temperature and humidity sensor data. The Standard Version can be upgraded to this configuration at any time without replacing the fan unit. In practical terms, the Mars Hydro iFresh 4\" Kit operates at 27 W±5%, draws a maximum of 0.4 A, and maintains 205 CFM airflow against 347±10% Pa static pressure across a universal 110–240 VAC supply with full PWM speed control and an app-upgrade path that requires no hardware swap on the fan itself.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#f0f0f0; border-left:4px solid #555; padding:18px 22px; margin-bottom:40px; 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; margin-bottom:14px;\"\u003eTwo purchasing configurations are available for SKU MH-4IN-IFRESH. Both share identical fan hardware and technical specifications.\u003c\/p\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse; font-size:0.93em; color:#000000;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"background:#ddd;\"\u003e\n        \u003cth style=\"padding:10px 12px; text-align:left; border:1px solid #ccc;\"\u003eConfiguration\u003c\/th\u003e\n        \u003cth style=\"padding:10px 12px; text-align:left; border:1px solid #ccc;\"\u003eWhat's Included\u003c\/th\u003e\n        \u003cth style=\"padding:10px 12px; text-align:left; border:1px solid #ccc;\"\u003eControl Method\u003c\/th\u003e\n        \u003cth style=\"padding:10px 12px; text-align:left; border:1px solid #ccc;\"\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:1px solid #ccc;\"\u003e\u003cstrong\u003eStandard Version\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px; border:1px solid #ccc;\"\u003eFull kit (fan, filter, duct, accessories) + physical speed controller\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px; border:1px solid #ccc;\"\u003eManual PWM speed controller; app-upgrade ready via expansion port\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px; border:1px solid #ccc;\"\u003e$149.99 (reg. $179.99)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background:#f5f5f5;\"\u003e\n        \u003ctd style=\"padding:10px 12px; border:1px solid #ccc;\"\u003e\u003cstrong\u003ePro Version (Add-On Pack)\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px; border:1px solid #ccc;\"\u003eiConnect controller + temperature\/humidity sensor (fan kit not included)\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px; border:1px solid #ccc;\"\u003eMarsPro APP: remote speed control, scheduling, alarms, climate triggers, VPD monitoring\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px; border:1px solid #ccc;\"\u003e$10.99 (50% discount applied)\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n  \u003cp style=\"color:#666; font-size:0.85em; margin-top:12px; margin-bottom:0;\"\u003eNote: APP-based climate control requires the Pro Version Add-On Pack (iConnect controller and temperature\/humidity sensor). The Standard Version fan unit is hardware-compatible with the Add-On Pack and can be upgraded at any time without replacing the fan.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#f0f7ff; border-left:4px solid #007bff; padding:20px 24px; margin-bottom:40px; 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; font-size:0.95em; line-height:1.8;\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMotor Architecture:\u003c\/strong\u003e PWM-controlled EC motor — longer service life than AC motor alternatives, with stepless speed control from minimum to 205 CFM rated maximum.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAcoustic Performance:\u003c\/strong\u003e 26 dBA operating noise floor — a function of motor torque curve and blade geometry, not foam dampening, meaning acoustic performance does not degrade as filter media loads.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIngress Protection:\u003c\/strong\u003e IP44 rated — protected against solid particulate ingress (4mm+) and water splash from any direction, appropriate for enclosed cultivation environments.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUniversal Voltage:\u003c\/strong\u003e 110–240 VAC, 50\/60 Hz — compatible with U.S. standard and international supply voltages without a step-down transformer.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUpgrade Path:\u003c\/strong\u003e Standard Version expansion port accepts the MarsPro Add-On Pack for full app-based climate automation without fan unit replacement.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Warranty period not specified in source data — contact Cannafull Spectrum Solutions or Mars Hydro directly for current warranty terms before purchase.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-bottom:40px;\"\u003e\n  \u003ch2 style=\"color:#333333; font-size:1.4em; margin-bottom:16px;\"\u003eSystem Integration\u003c\/h2\u003e\n  \u003cul style=\"padding-left:20px; color:#000000; font-size:0.95em; line-height:1.9;\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDuct Compatibility:\u003c\/strong\u003e 4-inch diameter — connects directly to standard 4-inch flexible or rigid ducting; steel hoops included for secure duct termination.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 110–240 VAC, 50\/60 Hz, 27 W±5%, 0.4 A maximum — compatible with standard U.S. 15A circuits with significant headroom for multi-unit installations on shared circuits.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eApp Ecosystem:\u003c\/strong\u003e MarsPro APP (iOS\/Android) — requires Pro Version Add-On Pack; enables multi-device monitoring, climate trigger automation, and remote scheduling from a single interface.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eController Interface:\u003c\/strong\u003e USB-based smart controller connection reduces cable routing complexity; physical speed controller included with Standard Version for immediate manual operation.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEnclosure Integration:\u003c\/strong\u003e Ventilation mesh covers (x2) and grow tent corner brackets (x2) included — compatible with standard grow tent frame profiles for secure, tool-assisted installation.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#f0f7ff; border-left:4px solid #007bff; padding:20px 24px; margin-bottom:40px; 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; margin-bottom:16px;\"\u003eThe following table models electrical load and procurement cost across multi-unit deployments of the Mars Hydro iFresh 4\" Kit (Standard Version, $149.99 per unit) to support facility budgeting and circuit planning.\u003c\/p\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse; font-size:0.93em; color:#000000;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"background:#d0e8ff;\"\u003e\n        \u003cth style=\"padding:10px 12px; text-align:left; border:1px solid #b0d0f0;\"\u003eFleet Size\u003c\/th\u003e\n        \u003cth style=\"padding:10px 12px; text-align:left; border:1px solid #b0d0f0;\"\u003eTotal Airflow (CFM)\u003c\/th\u003e\n        \u003cth style=\"padding:10px 12px; text-align:left; border:1px solid #b0d0f0;\"\u003eTotal Input Power (W, nominal)\u003c\/th\u003e\n        \u003cth style=\"padding:10px 12px; text-align:left; border:1px solid #b0d0f0;\"\u003eMax Current Draw (A)\u003c\/th\u003e\n        \u003cth style=\"padding:10px 12px; text-align:left; border:1px solid #b0d0f0;\"\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:1px solid #b0d0f0;\"\u003e10 Units\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px; border:1px solid #b0d0f0;\"\u003e2,050 CFM\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px; border:1px solid #b0d0f0;\"\u003e270 W\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px; border:1px solid #b0d0f0;\"\u003e4.0 A\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px; border:1px solid #b0d0f0;\"\u003e$1,499.90\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background:#e8f4ff;\"\u003e\n        \u003ctd style=\"padding:10px 12px; border:1px solid #b0d0f0;\"\u003e20 Units\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px; border:1px solid #b0d0f0;\"\u003e4,100 CFM\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px; border:1px solid #b0d0f0;\"\u003e540 W\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px; border:1px solid #b0d0f0;\"\u003e8.0 A\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px; border:1px solid #b0d0f0;\"\u003e$2,999.80\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:10px 12px; border:1px solid #b0d0f0;\"\u003e50 Units\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px; border:1px solid #b0d0f0;\"\u003e10,250 CFM\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px; border:1px solid #b0d0f0;\"\u003e1,350 W\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px; border:1px solid #b0d0f0;\"\u003e20.0 A\u003c\/td\u003e\n        \u003ctd style=\"padding:10px 12px; border:1px solid #b0d0f0;\"\u003e$7,499.50\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n  \u003cp style=\"color:#666; font-size:0.83em; margin-top:10px; margin-bottom:0;\"\u003ePower and current figures are nominal estimates based on rated specifications (27 W±5%, 0.4 A max per unit at 110 VAC). Actual draw will vary by operating speed and supply voltage. Circuit sizing must be performed by a licensed electrician per applicable NEC and local code requirements. Procurement cost based on Standard Version sale price of $149.99 per unit; volume pricing may be available — contact Cannafull Spectrum Solutions for fleet orders.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-bottom:40px;\"\u003e\n  \u003ch2 style=\"color:#333333; font-size:1.4em; margin-bottom:16px;\"\u003eOperator Field Notes\u003c\/h2\u003e\n  \u003cul style=\"padding-left:20px; color:#000000; font-size:0.95em; line-height:1.9;\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFilter Media Replacement:\u003c\/strong\u003e The carbon filter housing is refillable — replace Australian activated charcoal media when odor breakthrough is detected rather than replacing the entire filter body, reducing consumable cost per cycle.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eApp Upgrade Sequence:\u003c\/strong\u003e Standard Version ships with physical speed controller and is immediately operational. Add the MarsPro Add-On Pack ($10.99) at any point to enable app-based climate automation, VPD monitoring, and alarm thresholds — no fan unit replacement required.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eStatic Pressure Headroom:\u003c\/strong\u003e The 347±10% Pa rating provides adequate headroom for a loaded carbon filter plus a standard flexible ducting run. Operators adding duct bends or extending run length beyond manufacturer recommendations should verify static pressure budget before installation.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAcoustic Baseline:\u003c\/strong\u003e The 26 dBA noise floor is measured at operating speed. Partial-speed PWM operation will produce lower acoustic output — useful in noise-sensitive multi-zone configurations where the fan runs at reduced CFM during lights-off periods.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOperating Temperature Range:\u003c\/strong\u003e Rated for -20 to 60°C (-4 to 140°F) — the motor and electronics are rated for ambient conditions well outside typical cultivation space ranges, providing thermal margin in high-ambient environments.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIP44 Scope:\u003c\/strong\u003e IP44 protects against particulate ingress (4mm+) and water splash. It does not provide protection against sustained water exposure, pressurized spray, or submersion — do not install in direct irrigation zones or overhead condensate drip paths.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-bottom:40px;\" 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:12px; border:1px solid #ddd; border-radius:4px; padding:14px 16px;\"\u003e\n    \u003csummary itemprop=\"name\" style=\"font-weight:bold; color:#333333; cursor:pointer;\"\u003eQ: Does the Standard Version include app control out of the box, or is that a separate purchase?\u003c\/summary\u003e\n    \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n      \u003cp itemprop=\"text\" style=\"color:#000000; margin:10px 0 0 0;\"\u003eA: The Standard Version ($149.99) ships with a physical PWM speed controller and is fully operational without any additional purchase. App-based climate control — including remote speed adjustment, scheduling, alarm thresholds, and VPD-responsive automation — requires the MarsPro Add-On Pack (Pro Version, $10.99), which includes the iConnect controller and a temperature\/humidity sensor. The Standard Version fan unit has an expansion port that accepts the Add-On Pack; no fan replacement is needed to upgrade.\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:12px; border:1px solid #ddd; border-radius:4px; padding:14px 16px;\"\u003e\n    \u003csummary itemprop=\"name\" style=\"font-weight:bold; color:#333333; cursor:pointer;\"\u003eQ: What is the warranty period on the iFresh 4\" Kit?\u003c\/summary\u003e\n    \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n      \u003cp itemprop=\"text\" style=\"color:#000000; margin:10px 0 0 0;\"\u003eA: Warranty period is not specified in the available source data for this product. Contact Cannafull Spectrum Solutions or Mars Hydro directly before purchase to confirm current warranty terms and coverage scope for both the fan unit and included accessories.\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:12px; border:1px solid #ddd; border-radius:4px; padding:14px 16px;\"\u003e\n    \u003csummary itemprop=\"name\" style=\"font-weight:bold; color:#333333; cursor:pointer;\"\u003eQ: Can the iFresh 4\" fan be used with a 6-inch duct system using an adapter?\u003c\/summary\u003e\n    \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n      \u003cp itemprop=\"text\" style=\"color:#000000; margin:10px 0 0 0;\"\u003eA: The iFresh 4\" fan is rated for 4-inch duct connections. While reducers and adapters exist in the market, connecting a 4-inch fan to a 6-inch duct system will result in a significant reduction in effective airflow velocity and static pressure performance relative to a properly sized 6-inch unit. For 6-inch duct systems, a fan rated for that duct diameter is the appropriate selection. Cannafull Spectrum Solutions does not recommend adapter-based upsizing for this unit.\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:12px; border:1px solid #ddd; border-radius:4px; padding:14px 16px;\"\u003e\n    \u003csummary itemprop=\"name\" style=\"font-weight:bold; color:#333333; cursor:pointer;\"\u003eQ: How often does the carbon filter media need to be replaced, and where is replacement media sourced?\u003c\/summary\u003e\n    \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n      \u003cp itemprop=\"text\" style=\"color:#000000; margin:10px 0 0 0;\"\u003eA: Replacement interval depends on airflow volume, ambient humidity, and odor load in the specific environment — no fixed interval is specified in the source data. The filter housing is refillable with Australian activated charcoal media. Replacement media should be sourced from Mars Hydro directly or through authorized dealers. Cannafull Spectrum Solutions recommends monitoring for odor breakthrough as the primary replacement indicator rather than a fixed calendar schedule.\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:12px; border:1px solid #ddd; border-radius:4px; padding:14px 16px;\"\u003e\n    \u003csummary itemprop=\"name\" style=\"font-weight:bold; color:#333333; cursor:pointer;\"\u003eQ: Is the iFresh 4\" Kit compatible with third-party environmental controllers, or is it locked to the MarsPro ecosystem?\u003c\/summary\u003e\n    \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n      \u003cp itemprop=\"text\" style=\"color:#000000; margin:10px 0 0 0;\"\u003eA: The fan's PWM speed controller is the primary manual control interface included with the Standard Version. The expansion port is designed for the iFresh MarsPro Add-On Pack. Compatibility with third-party environmental controllers that output PWM signals is not confirmed in the available source data. Operators requiring integration with third-party climate control systems should verify signal compatibility with Mars Hydro technical support before purchase.\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:12px; border:1px solid #ddd; border-radius:4px; padding:14px 16px;\"\u003e\n    \u003csummary itemprop=\"name\" style=\"font-weight:bold; color:#333333; cursor:pointer;\"\u003eQ: What does the 6-inch clip fan included in the kit do, and is it independently speed-controlled?\u003c\/summary\u003e\n    \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n      \u003cp itemprop=\"text\" style=\"color:#000000; margin:10px 0 0 0;\"\u003eA: The 6-inch clip fan is included as a supplemental air circulation component for canopy-level airflow within the enclosed space — distinct from the inline duct fan's exhaust\/filtration function. It is a separate unit from the inline fan and operates independently. Specific speed control options, wattage, and noise specifications for the clip fan are not detailed in the available source data. Contact Cannafull Spectrum Solutions for additional clip fan specifications before purchase if this component is a primary selection criterion.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-bottom:40px;\"\u003e\n  \u003ch2 style=\"color:#333333; font-size:1.4em; margin-bottom:16px;\"\u003eShipping \u0026amp; Logistics\u003c\/h2\u003e\n  \u003cul style=\"padding-left:20px; color:#000000; font-size:0.95em; line-height:1.9;\"\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, and international destinations cannot be fulfilled through this listing.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLead Time:\u003c\/strong\u003e Standard processing and carrier transit times apply. Contact Cannafull Spectrum Solutions for current lead time estimates on single-unit and fleet orders before placing time-sensitive purchases.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eReturns:\u003c\/strong\u003e Returns are subject to the Cannafull Spectrum Solutions Return Policy. Defective units are handled separately from non-defective returns. Review full terms at cannafullspec.com\/pages\/return-policy before ordering.\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:14px;\"\u003eFor fleet orders, freight quotes, or pre-purchase technical questions: contact Cannafull Spectrum Solutions directly via cannafullspec.com.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-bottom:40px;\"\u003e\n  \u003ch2 style=\"color:#333333; font-size:1.4em; margin-bottom:16px;\"\u003eWhat's in the Box\u003c\/h2\u003e\n  \u003cp style=\"color:#000000; margin-bottom:12px;\"\u003eThe following items are confirmed included with the Mars Hydro iFresh 4\" Inline Fan Carbon Filter Kit (Standard Version) per manufacturer source data:\u003c\/p\u003e\n  \u003cul style=\"padding-left:20px; color:#000000; font-size:0.95em; line-height:1.9;\"\u003e\n    \u003cli\u003e4-inch iFresh inline duct fan\u003c\/li\u003e\n    \u003cli\u003eCarbon filter (refillable, Australian activated charcoal media)\u003c\/li\u003e\n    \u003cli\u003eDuct (flexible)\u003c\/li\u003e\n    \u003cli\u003eSteel hoops x3\u003c\/li\u003e\n    \u003cli\u003e5-gallon grow bags x4\u003c\/li\u003e\n    \u003cli\u003eGrow net x1\u003c\/li\u003e\n    \u003cli\u003e6-inch clip fan x1\u003c\/li\u003e\n    \u003cli\u003e6-inch scissors x1\u003c\/li\u003e\n    \u003cli\u003eGlasses x1\u003c\/li\u003e\n    \u003cli\u003eVentilation mesh covers x2\u003c\/li\u003e\n    \u003cli\u003eGrow tent corner brackets x2\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp style=\"color:#666; font-size:0.85em; margin-top:12px;\"\u003eNote: The MarsPro Add-On Pack (iConnect controller and temperature\/humidity sensor) is NOT included with the Standard Version. It is available separately as the Pro Version ($10.99). Package contents are as specified by the manufacturer; Cannafull Spectrum Solutions cannot guarantee inclusion of items not listed above. Verify contents upon receipt and report discrepancies within the return window specified in the Return Policy.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-bottom:40px;\"\u003e\n  \u003ch2 style=\"color:#333333; font-size:1.4em; margin-bottom:16px;\"\u003eRegional Compliance \u0026amp; Deployment Notes\u003c\/h2\u003e\n  \u003cul style=\"padding-left:20px; color:#000000; font-size:0.95em; line-height:1.9;\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eElectrical Rating:\u003c\/strong\u003e 110–240 VAC, 50\/60 Hz — compatible with U.S. standard 110\/120 VAC single-phase supply. Maximum rated current is 0.4 A per unit at rated load.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIngress Protection:\u003c\/strong\u003e IP44 rated per IEC 60529 — suitable for enclosed cultivation environments with particulate and incidental moisture exposure. Not rated for outdoor installation, pressurized wash-down, or submersion.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eNEC Compliance:\u003c\/strong\u003e Circuit sizing, breaker selection, and wiring methods for multi-unit installations must comply with the National Electrical Code (NEC) and applicable state and local amendments. Cannafull Spectrum Solutions recommends a licensed electrician perform all facility-level electrical integration.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eState Cannabis Facility Requirements:\u003c\/strong\u003e Operators in licensed U.S. cannabis cultivation facilities should verify that ventilation equipment selections comply with state-specific facility design standards, odor control requirements, and inspection protocols applicable to their license type and jurisdiction.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eShipping Jurisdiction:\u003c\/strong\u003e This product is available for shipment within the contiguous 48 United States only through Cannafull Spectrum Solutions. No shipments to Canadian provinces or international destinations.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp style=\"font-size:0.85em; color:#666;\"\u003eCompliance information is provided for general reference only and does not constitute legal or engineering advice. Cannafull Spectrum Solutions makes no representation that this product meets the requirements of any specific state facility licensing standard. Operators are responsible for verifying compliance with all applicable federal, state, and local regulations governing cultivation facility equipment in their jurisdiction. Specifications subject to change by the manufacturer without notice; verify current specifications with Cannafull Spectrum Solutions before finalizing procurement decisions.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mars Hydro","offers":[{"title":"Default Title","offer_id":44237273989255,"sku":"MH-4IN-IFRESH","price":169.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/4450\/4455\/files\/4_Ifresh-set_1.jpg?v=1774162563","url":"https:\/\/cannafullspec.com\/zh\/products\/mars-hydro-ifresh-4in-inline-fan-carbon-filter-kit","provider":"CannaFull Spectrum Solutions","version":"1.0","type":"link"}