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Mars Hydro 4-Inch iFresh Complete Fan Kit

$242.99
Fan/Duct/Filter Size: 4 Inch Airflow: 205CFM Noise: 26.8dBA Controller Type: Speed Controller & APP Smart Control With a 4'' inline fan rated for 205CFM, an activated carbon filter with Australian charcoal, and a knob controller applied to allow easy switching and adjustment of the fan speed, the Mars Hydro 4 inch inline duct fan and carbon filter combo offers you everything you need to set up the ventilation in a grow tent. A good ventilation setup for grow tents measuring up to 3x3 feet.

Mars Hydro 6-Inch iFresh Complete Fan Kit

$332.99
Fan/Duct/Filter Size: 6 Inch Airflow: 402CFM Noise: 32dBA Controller Type: Speed Controller & APP Smart Control With a 6'' inline fan rated for 402CFM, an activated carbon filter with Australian charcoal, and a knob controller applied to allow easy switching and adjustment of the fan speed, the Mars Hydro 6 inch inline duct fan and carbon filter combo provides everything you need to set up the ventilation in a grow tent. A good ventilation setup for grow tents measuring up to 5x5 feet.

Mars Hydro iFresh 4 Inch Smart Inline Duct Fan and Refillable Carbon Filter Combo with Speed Controller

$199.99
Fan/Duct/Filter Size: 4 Inch Airflow: 205CFM Noise: 26.8dBA Controller Type: Speed Controller & APP Smart Control Filter: Refillable carbon filter The Mars Hydro 4'' Smart Inline Duct Fan features a 4" inline fan rated at 205CFM and a smart core controlled by OTA (over-the-air) information flow, providing you with a highly automated and configured ventilation fan to intelligently manage the climate data of your grow space.

Mars Hydro iFresh 4-inch Smart Inline Duct Fan

$89.99
Fan/Duct/Filter Size: 4 Inch Airflow: 205CFM Noise: 26.8dBA Controller Type: Speed Controller & APP Smart Control

Mars Hydro iFresh 6 Inch Smart Inline Duct Fan and Refillable Carbon Filter Combo with Speed Controller

$235.99
Fan/Duct/Filter Size: 6 Inch Airflow: 402CFM Noise: 32dBA Controller Type: Speed Controller & APP Smart Control Filter: Refillable carbon filter The Mars Hydro 6” Smart Ventilation Kit features a 6β€³ inline duct fan that is controlled by the APP and a highly-efficient charcoal filter, providing you with an intelligent cooling and filtration system for your grow tent to regulate and purify the airflow and cliamte in your grow room.

Mars Hydro iFresh 6-inch Smart Inline Duct Fan

$109.99
Fan/Duct/Filter Size: 6 Inch Airflow: 402CFM Noise: 32dBA Controller Type: Speed Controller & APP Smart Control