Mars Hydro 4" iFresh Kit – Inline Duct Fan, Carbon Filter & Ducting Combo

Complete Ventilation Solution for Compact Indoor Gardens

The Mars Hydro iFresh 4-Inch Inline Duct Fan Kit offers quiet, powerful airflow and effective odor control in one package. Designed for small grow tents and indoor gardening spaces, this all-in-one kit includes a silent 4” EC inline fan, premium carbon filter with pre-filter cloth, 25 feet of flexible ducting, and mounting accessories — everything you need for efficient air circulation and clean grow environments.

Key Features:

• Powerful Yet Quiet Ventilation (205 CFM, 26.8 dBA)
  High-efficiency EC motor with mixed-flow design ensures strong airflow while minimizing noise, perfect for grow tents up to 3’x3’.

• Premium Odor Filtration
  Activated carbon filter removes unwanted odors, VOCs, and airborne pollutants, promoting a fresh, healthy grow room.

• All-in-One Easy Setup
  Includes fan, carbon filter, ducting, clamps, and hanging strap for quick installation — ideal for beginner and experienced growers alike.

• Manual Speed Control
  Simple knob controller included for reliable fan speed adjustment (USB smart controller not included).

Specifications:

• Fan & Filter Size: 4 inches

• Airflow: 205 CFM

• Noise Level: 26.8 dBA

• Control: Knob-type speed controller

• Ducting Length: 25 feet

• Includes: Inline fan, carbon filter with pre-filter, ducting, clamps, hanging strap

Ideal For:

• Small indoor grow tents (2’x2’ to 3’x3’)

• Hydroponic and soil-based growing setups

• Managing heat, humidity, and odor discreetly

• Growers needing quiet, efficient ventilation

Optimize airflow and maintain a clean, odor-free grow environment with the Mars Hydro iFresh 4” Inline Duct Fan Kit — designed to support healthy plant growth in limited spaces.