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



  • 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 3×3 feet.

Ventilation Kits 4 inch with speed controller


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