Mars Hydro iFresh 6″ Inline Exhaust Fan – 402 CFM EC Grow Tent Ventilation with App & Auto Climate Control

The Mars Hydro iFresh 6" Inline Extractor Fan is a powerful, energy-efficient, and fully smart ventilation solution for grow tents, hydroponic systems, and professional indoor growing spaces. With an airflow capacity of 402 CFM (≈ 682 m³/h) , a quiet EC motor , and advanced app control, this inline fan offers maximum control over temperature, humidity, and air exchange.

Designed for serious growers who demand stable climate control and optimal air circulation, the iFresh 6″ delivers consistent performance with minimal noise and maximum efficiency.

The smart USB controller design keeps your setup organized and tidy, while the expansion port allows connection to the iFresh MarsPro Add-On Pack for fully automated climate control based on real-time sensor data.

Why the Mars Hydro iFresh 6″ Inline Fan Is Essential for Grow Tents

In a closed grow tent, ventilation is crucial for:

• Discharge of warm air
• Stabilization of temperature
• Regulation of humidity
• Prevention of mold formation
• Optimization of VPD values
• Maximum absorption of CO₂

The iFresh 6″ inline fan provides powerful and even air exchange, allowing plants to grow under stable conditions and achieve higher yields.

Key Features

• Powerful 402 CFM Airflow
  With an airflow capacity of 402 CFM (≈ 682 m³/h), this fan is ideal for medium to larger grow tents. Its high static pressure makes it perfectly compatible with 6" carbon filters and longer exhaust systems.
• Energy-efficient EC motor
  The modern EC motor combines power with efficiency. You get maximum performance with lower energy consumption, resulting in lower operating costs and less heat generation.
• Ultra-quiet Operation – Only 32 dBA
  With a noise level of just 32 dBA, the iFresh is one of the quietest 6-inch inline fans in its class. Ideal for home gardeners and indoor spaces where noise reduction is important.
• Smart App Control via Mars Hydro
  The USB-based controller supports full app integration. Set ventilation strategies, monitor temperature and humidity, and adjust settings in real time.
• Auto Mode Climate Control
  In Auto Mode, the fan runs at 25% speed by default and automatically adjusts the fan speed when preset temperature or humidity triggers are reached. This prevents fluctuations and manual adjustments.
• Expandable Smart Ecosystem
  The expansion port enables connection to the iFresh MarsPro Add-On Pack for full climate automation based on sensor data.

Specifications

• Fan / Duct / Filter size: 6 Inch
  
• Airflow: 402 CFM (≈ 682 m³/h)
  
• Speed: 3000 ± 10% RPM
  
• Static pressure: 419 ± 10% Pa
  
• Voltage: 110–240 VAC
  
• Frequency: 50/60 Hz
  
• Input power: 62 W ± 5%
  
• Nominal current: 0.94A (MAX)
  
• Working temperature: −20 ~ 60°C
  
• Waterproof rating: IP44
  
• Dimensions: 31.3 × 20.8 × 14.7 cm
  
• Motor style: EC motor
  
• Speed ​​control: PWM
  
• Compatibility: Suitable for 6″ carbon filters and standard exhaust ducts

Benefits for Serious Growers

• Maximum air exchange in medium-sized grow tents
  
• Constant climate stability without manual adjustment
  
• Better control over temperature and humidity
  
• Ideal for LED installations with higher heat loads
  
• Suitable for hydroponics and closed indoor cultivation
  
• Professional performance in a compact form

Applications

• Grow tents
  For stable air exchange and controlled climate control.
• Hydroponic systems
  Supports optimal temperature and humidity balance in DWC and other hydro setups.
• Commercial indoor growing
  Consistent, quiet ventilation for larger spaces with high performance requirements.

Recommendation

The Mars Hydro iFresh 6" Inline Extractor Fan is the ideal choice for growers looking for a powerful, quiet, and smart fan for their grow tent or indoor grow room. With automatic climate control, energy-efficient EC technology, and full app integration, this fan offers professional control over your growing environment.

A future-proof upgrade for maximum stability, efficiency and yield.