Mars Hydro 4" Fan Carbon Filter Kit 205 CFM | 26.8 dB-A EC Motor

Precision Control in Any Space

When ventilation is managed by guesswork — a manual dial set once and forgotten, a carbon filter that saturates undetected, a fan running at full draw regardless of actual room conditions — the cost accumulates silently. Temperature spikes during peak lighting cycles go unaddressed until canopy stress is already visible. Humidity climbs past threshold while the fan holds a fixed speed that was calibrated for a different load. Odor breaches happen not because the filter failed, but because airflow was never matched to demand. These are not equipment failures. They are control failures, and they compound every hour the system runs without feedback.

After deployment, the environment responds to itself. The controller reads live temperature and humidity, compares both against operator-defined thresholds, and adjusts fan speed automatically — without manual intervention. Odor is continuously scrubbed through an activated charcoal core rated at 1050+ granules imported from Australia, seated behind double-sided galvanized steel mesh with 53% open area for unrestricted airflow. The 25-ft flexible duct run gives operators the routing flexibility to position the filter where it captures the most contaminated air, not just where the duct happens to reach. The result is a room that holds its parameters rather than drifting between operator check-ins.

The mechanism behind that stability is an EC motor running at 3000 ±10% RPM, drawing 27W ±5% at 0.4A maximum across a universal 110–240 VAC input, delivering 205 CFM against a static pressure rating of 347 ±10% Pa. PWM speed control provides 10 discrete speed steps, and the digital thermostat controller adds an Environment Monitor, Timing Schedule, temperature and humidity alarm outputs, and automatic speed adjustment triggered by high or low temperature or humidity rules — all in a unit rated IP44 for moisture resistance and certified for operation from -20°C to 60°C (-4°F to 140°F). In practical terms, the Mars Hydro 4" Filter Kit delivers 205 CFM of thermostat-governed, odor-scrubbed airflow through a 4-inch duct circuit at 27W ±5% draw with automated 10-speed PWM response to live environmental conditions.

Where This Belongs (and Doesn't)

This unit operates on standard 110–240 VAC single-phase power. Duct routing, static pressure load, and room air exchange calculations should be verified against facility HVAC design parameters before installation. Consult a licensed mechanical contractor for ducting runs that interface with building HVAC systems or require penetrations through fire-rated assemblies.

How It Works

The core of the system is an EC (electronically commutated) motor — a motor architecture that uses permanent magnet rotor technology and electronic commutation to achieve significantly higher part-load efficiency than conventional AC induction motors. At its rated operating point, the motor turns at 3000 ±10% RPM, moves 205 CFM of air, and overcomes a static pressure resistance of 347 ±10% Pa — the resistance load that accounts for filter media, duct bends, and terminal fittings in a real installation. Electrical draw is 27W ±5% at 0.4A maximum, and the universal 110–240 VAC, 50/60 Hz input means the unit operates without a transformer or voltage converter across all standard U.S. facility power configurations. The fan housing carries an IP44 ingress protection rating, confirming resistance to solid particle intrusion and water splash from any direction.

Speed regulation is delivered through PWM (pulse-width modulation) control, which varies motor power in discrete steps rather than through resistive voltage reduction — preserving motor efficiency across the full 10-speed range rather than dissipating excess energy as heat. The digital thermostat controller extends this beyond manual adjustment: it monitors live temperature and humidity, compares readings against operator-programmed high and low thresholds, and triggers automatic fan speed changes when either parameter crosses a set boundary. The controller also supports a Timing Schedule for programmed on/off cycles, an Environment Monitor for continuous data logging, and temperature and humidity alarm outputs for integration with facility alert systems.

Odor control is handled by the 4-inch carbon filter, which uses an activated charcoal core sourced from 1050+ granules imported from Australia. The filter body uses double-sided galvanized steel mesh with 53% open area, which minimizes restriction at the filter face and keeps the static pressure load within the fan's rated operating envelope. The included 25-ft PVC thermoplastic flexible duct tube, three duct clamps, and two hanging straps complete the installation kit, providing the mechanical components needed to route, seal, and suspend the system without sourcing additional hardware. In practical terms, the Mars Hydro 4" Filter Kit integrates a 205 CFM EC motor, a 1050+ activated charcoal filter, and a 10-speed PWM thermostat controller into a single deployable ventilation circuit drawing 27W ±5% at 0.4A maximum.

Commercial Assurance

• Authorized Dealer: Cannafull Spectrum Solutions is a factory-authorized dealer for Mars Hydro products. All units are sourced through verified supply channels and carry full manufacturer warranty coverage.
• Warranty: Warranty period and terms are governed by Mars Hydro's current manufacturer warranty policy. Contact Cannafull Spectrum Solutions at the address below or review current warranty documentation at cannafullspec.com before purchase to confirm applicable coverage for this SKU.
• IP Rating: IP44 ingress protection confirmed per manufacturer specification — rated for moisture-present environments including condensation-prone production rooms.
• Universal Voltage: 110–240 VAC, 50/60 Hz input confirmed — no step-down transformer required for standard U.S. facility power.
• Compliance: Verify applicable local electrical and mechanical codes with your facility's licensed contractor prior to installation. Cannafull Spectrum Solutions does not provide installation engineering services.

System Integration

• Duct Compatibility: Standard 4-inch duct collar — connects directly to 4-inch rigid or flexible duct runs; reducer fittings required for 6-inch infrastructure integration.
• Controller Wiring: Digital thermostat controller connects inline between power source and fan motor; temperature and humidity probes must be positioned at canopy level or within the monitored air zone for accurate threshold triggering.
• Filter Orientation: Carbon filter is designed for inline installation with airflow direction matching the labeled intake face; reversing orientation reduces charcoal contact time and degrades odor control performance.
• Multi-Unit Deployment: Each kit operates as an independent ventilation circuit; facilities requiring higher aggregate CFM should stage multiple 4-inch circuits rather than attempting to parallel-connect fans on a single duct run.
• Refillable Filter Core: The 4-inch carbon filter is refillable — activated charcoal media can be replaced without purchasing a complete new filter housing, reducing long-term consumable cost per circuit.

Facility Integration Data

The following ROI reference table provides electrical load and acquisition cost data for fleet-scale deployments of the Mars Hydro 4" Filter Kit (SKU: MH-4Filterkit-CP-US-NEW-2507) to support facility budgeting and circuit planning.

Operator Field Notes

• Threshold Calibration: Program high and low temperature and humidity triggers during initial commissioning — do not rely on default settings. Thresholds set at canopy level will differ from readings taken at the controller's probe location if the probe is mounted at ceiling height.
• Static Pressure Budget: The 347 ±10% Pa static pressure rating is the system's total resistance budget. Long duct runs, multiple 90-degree bends, and undersized duct collars each consume static pressure headroom. Keep total system resistance within the rated envelope or airflow at the terminal point will fall below 205 CFM.
• Filter Saturation Monitoring: Activated charcoal does not provide a visual saturation indicator. Establish a replacement or refill schedule based on room volume, odor load, and hours of operation — do not wait for odor breakthrough to confirm filter exhaustion.
• Noise Floor: The 26.8 dB-A noise rating applies at rated operating speed. Facilities with noise-sensitive adjacencies (office space, compliance inspection areas) should verify ambient noise levels at reduced fan speeds using the 10-speed PWM range before finalizing installation position.
• Duct Clamp Torque: The three included duct clamps are sized for the 4-inch flexible duct tube. Over-tightening on thin-wall flexible duct can deform the duct collar and create a static pressure leak point. Hand-tighten to contact, then advance one-quarter turn.
• Universal Voltage Verification: Confirm facility outlet voltage before connection. The 110–240 VAC input is auto-ranging, but the physical plug configuration must match the outlet type. Do not use unrated adapters on circuits serving production equipment.

Operator FAQ

Shipping and Logistics

• Shipping Territory: Cannafull Spectrum Solutions ships within the contiguous 48 United States only. Orders to Alaska, Hawaii, U.S. territories, APO/FPO addresses, and international destinations are not fulfilled through this channel.
• Lead Time: Standard processing and carrier transit times apply. Contact Cannafull Spectrum Solutions directly for expedited shipping availability or fleet order lead time estimates on orders of 10 units or more.
• Returns: Returns are accepted subject to the conditions outlined in the Cannafull Spectrum Solutions Return Policy. Units must be in original, uninstalled condition with all included components present. Defective units are handled under manufacturer warranty procedures — contact us before initiating a return on any unit exhibiting a performance defect.
• Restocking Fee: 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.

Questions? Contact Cannafull Spectrum Solutions at cannafullspec.com or through the contact page before placing your order.

What's in the Box

The following components are confirmed included with SKU MH-4Filterkit-CP-US-NEW-2507 per manufacturer specification:

• 1x Mars Hydro 4-inch inline duct fan (EC motor, PWM, IP44)
• 1x Mars Hydro 4-inch carbon filter (1050+ activated charcoal, Australian-sourced, refillable, double-sided galvanized steel mesh, 53% open area)
• 1x Digital thermostat controller (10-speed PWM, Environment Monitor, Timing Schedule, temperature/humidity alarm, automatic speed control)
• 1x 25-ft PVC thermoplastic flexible duct tube
• 3x Duct clamps
• 2x Hanging straps

Note: Contents confirmed against manufacturer-published component list for SKU MH-4Filterkit-CP-US-NEW-2507. Cannafull Spectrum Solutions does not modify kit contents. If your shipment is missing any listed component, contact us within 48 hours of delivery with your order number and a photograph of received contents.

Regional Compliance and Deployment Notes

• Electrical Code: Installation must comply with the National Electrical Code (NEC) and applicable state and local electrical codes. Fan and controller wiring, circuit protection, and outlet configuration must be verified by a licensed electrician prior to energizing the unit in a commercial production facility.
• Mechanical Code: Duct penetrations through walls, floors, or ceilings in licensed production facilities may require permits and inspection under the International Mechanical Code (IMC) or applicable state mechanical code. Confirm permit requirements with your local Authority Having Jurisdiction (AHJ) before installation.
• Odor Control Compliance: Carbon filtration performance is one component of an odor management plan. Licensed cannabis facilities operating under state odor control requirements should verify that the ventilation system design — including filter sizing, air exchange rate, and negative pressure maintenance — meets the specific requirements of their state operating license and local zoning conditions.
• IP44 Environment Limits: The IP44 rating confirms protection against water splash but does not qualify this unit for outdoor installation, wash-down environments, or locations subject to direct water jet exposure. Verify that the installation environment is within the rated operating temperature range of -20°C to 60°C (-4°F to 140°F).
• Deployment Territory: This product is sold and shipped by Cannafull Spectrum Solutions exclusively within the contiguous 48 United States. All compliance references apply to U.S. federal, state, and local regulatory frameworks only.

Compliance information provided here is for general reference only and does not constitute legal, engineering, or regulatory advice. Cannafull Spectrum Solutions does not provide facility design, permitting, or installation services. Consult licensed professionals in your jurisdiction before deploying this equipment in a regulated production environment. Regulatory requirements vary by state and municipality and are subject to change.