8″ 550 CFM Inline Extractor Fan Carbon Filter Kit Hydroponic Grow Room Tent Air Ventilation System, iPower

8 Inch 550 CFM Duct Inline Fan Blower: Composite fan blades and center hub which reduces noise and vibration.
8 Inch 1050+ IAV Australia Charcoal Filter: One of the world's most absorbent carbon available; Dimensions: 8" Flange Ducting x 20" Length; Reversible flange. FREE Pre-Filter included: We recommend replace the Pre-Filter every 6 months to protect your filter.
Fan Speed Controller: 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.
FREE High Reliability & Accuracy Humidity Monitor: Fast response that measures every 10 seconds , wide measuring range that measures temperature from 14? to 122??-10?~50?). Humidity sensor measures humidity from 10% to 99%. Powered by 3V CR2032 button battery (included).
Multi-functional: this ventilation combo removes heat and eliminate the undesirable ill-smelling odors in the grow tent to solves air delivery problems without major system rework or expense.