iPower 6 Inch 442 CFM Inline Fan Carbon Filter Combo with Variable Speed Controller 8 Feet Rope Hanger for Grow Tent Ventilation

6 Inch 442 CFM Duct Inline Fan Blower: Made with quality UL components for quiet operation. Composite fan blades and center hub which reduces noise and vibration.
6 Inch 1050+ IAV Australia Charcoal Filter: One of the world's most absorbent carbon available; Dimensions: 6 Flange Ducting x 16 Length; Reversible flange.

One control switch for 3 settings: Variable Speed, OFF, HIGH, MED, LOW. To avoid the risk of burning out the fan motor, controller does NOT adjust below 50%. FREE Pre-Filter included: We recommend replace the Pre-Filter every 6 months to protect your filter.