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Mars Hydro 4 Inch Inline Duct Fan and Carbon Filter Combo With Speed Controller

$199.99
  • Fan/Filter/Duct Size: 4 Inch
  • Airflow: 205CFM
  • Noise: 28dBA
  • Controller Type: Speed Controller
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 4 Inch Inline Duct Fan And Carbon Filter Combo With Thermostat Controller

$269.99
  • Fan/Duct/Filter Size: 4 Inch
  • Airflow: 205CFM
  • Noise: 26.8dBA
  • Controller Type: Digital Thermostat Controller
Featuring a 4 inch inline duct fan rated for 205CFM and a carbon filter with Virgin Australian activated charcoal, controlled by a digital touch-screen thermostat controller, the Mars Hydro 4'' inline duct fan and charcoal filter combo ventilation system provides you with everything you need to manage the temperature, the air circulation and the odors in your grow space.

Mars Hydro 4 inch Inline Duct Fan Kits with Speed Controller

$199.99
  • Fan/Filter/Duct Size: 4 Inch
  • Airflow: 205CFM
  • Noise: 26.8dBA
  • Controller Type: Speed Controller
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 4 Inch Inline Duct Fan With Speed Controller

$89.99
Mars Hydro inline fans are designed to ventilate hydroponic grow rooms, exhaust odors, and transfer heating/cooling air in terms of planting needs.

Mars Hydro 4 inch Inline Duct Fan with Thermostat Controller

$125.99
Mars Hydro 4'' Inline Fan uses a mixed-flow design to maintain peak performance in a high static pressure environment.   [Digital Controller Version]

Mars Hydro 4-Inch iFresh Complete Fan Kit

$239.99
  • Fan/Filter/Duct Size: 4 Inch
  • Airflow: 205CFM
  • Noise: 26.8dBA
  • Controller Type: Speed Controller
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 iFresh 4 Inch Smart Inline Duct Fan and Carbon Filter Combo with Speed Controller

$199.99
Fan/Duct/Filter Size: 4 Inch Airflow: 205CFM Noise: <26.8dBA Controller Type: APP Smart Control 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

$119.99
Fan/Duct/Filter Size: 4 Inch Airflow: 205CFM Noise: <26.8dBA Controller Type: APP Smart Control