Mars Hydro iFresh 4-Inch Inline Exhaust Fan Kit – 205 CFM Quiet Grow Tent Ventilation with Smart App Control

Take your indoor growing to a professional level with the Mars Hydro iFresh 4-Inch Inline Extractor Fan Kit – a complete, quiet, and energy-efficient ventilation solution for grow tents and indoor growing spaces. This advanced ventilation kit combines a powerful 4-inch inline extractor fan , a refillable carbon filter with Australian charcoal , and smart speed control for optimal climate control.

With a maximum airflow of 205 CFM (±348 m³/h) , this system is perfectly suited for grow tents up to 3×3 ft (90×90 cm) . It provides stable air circulation, effective odor control, and a controlled indoor growing environment throughout the entire grow cycle.

Powerful and Efficient Air Freshening

The iFresh 4-Inch inline fan delivers consistent, powerful airflow that:

• Efficiently removes warm air
• Fresh air supply optimizes
• Excess humidity reduces
• Temperature fluctuations stabilize

This makes the system ideal for vegetative growth and the flowering phase, where stable air exchange is essential for maximum yield.

Smart Speed ​​Control & App Integration

The included PWM speed controller allows precise adjustment of fan speed.

The optional MarsPro Add-On Pack enables full app control, allowing you to:

• You can automatically control the ventilation speed
• You can monitor climate data
• You can set up smart automation
• You can program temperature and humidity responses

Perfect for growers who want to integrate their grow tent into a smart grow ecosystem.

Refillable Carbon Filter with Australian Charcoal

The high-quality carbon filter contains premium Australian charcoal for maximum odor absorption.

Advantages:

• Effective removal of odors and volatile substances
• Discreet indoor growing
• Long lifespan
• Refillable design for sustainable use

Ideal for home growers and noise-sensitive environments.

Quiet and energy-efficient EC motor

The efficient EC motor delivers powerful performance with a noise level of only 26.8 dB-A .

Advantages of EC technology:

• Lower energy consumption
• Less heat development
• Higher efficiency
• Better lifespan

This makes the iFresh ideal for use in apartments, living spaces and noise-sensitive situations.

Optimized for 3x3 ft grow tents

Specially developed for:

• 60×60 cm
• 80×80 cm
• 90×90 cm (3×3 ft)

This ventilation kit offers a perfect balance between airflow, noise level and energy efficiency for compact indoor setups.

Technical Specifications

• Product Name: Mars Hydro iFresh 4-Inch Smart Inline Duct Fan
• Air duct: 4 Inch
• Fan dimensions: 11.9 × 6.4 × 3.8 inches (30.2 × 16.3 × 9.7 cm)
• Motor: EC motor
• Speed ​​control: PWM, app-compatible via Add-On Pack
• Max. airflow: 205 CFM (±348 m³/h)
• Fan speed: 3000 ±10% RPM
• Static pressure: 347 ±10% Pa
• Power: 27 W ±5%
• Working temperature: −20 ~ 60 °C
• Waterproof: IP44

Kit Contents

• 1× Mars Hydro iFresh 4-Inch Inline Fan
• 1× Refillable Carbon Filter (Australian Charcoal)
• 1× PWM Speed ​​Controller
• Mounting material

Why choose the Mars Hydro iFresh 4-Inch Kit?

• Powerful 205 CFM air displacement
  
• Silent EC motor (26.8 dB-A)
  
• Refillable premium carbon filter
  
• Smart upgrade possible via app
  
• Energy efficient and sustainable
  
• Perfect for compact grow tents

With the Mars Hydro iFresh 4-Inch Inline Extractor Fan Kit , you choose a quiet, efficient, and expandable ventilation solution that fits modern indoor growing and smart automation.