iPower Grow Tent Ventilation System, 4 Inch 200 CFM Inline Duct Fan with Speed Controller, 4 Silver Filter and 8Ft Black Ducting for Grow Tents, Black

200 CFM Inline Duct Ventilation Fan: Diameter: 4 inch; speed: 2400 RPM; wattage: 59W; noise level: <30dB. Max ambient temp is 104℉/40℃. Having a variable speed controller, you can adjust it according to your requirement,Air Carbon Filter: Size: 4 inch; air flow: 200CFM; flange ducting: 12 inch length; 1050 + IAV Australian RC412 activated carbon (one of the world's most absorbent carbon available). Pre-filter included,4 Inch Aluminum Foil Ducting: Temperature endurance range: 0 ~ 185°F (-18℃ ~ 85℃); length: 8 feet (when fully extended). A pair of 4 inch stainless steel metal clips makes the installation firmer,Package Including: 1 x 4 inch 200 CFM inline duct ventilation fan; 1 x 4 inch silver air carbon filter (prefilter included); 1 x 4 inch 8 feet black aluminum foil vent hose with 2 clamps,Wide Applications: Suitable for industrial, household and horticulture ventilation applications, which can help you maintain a healthy grow room. Ideal solution for multi-purpose use in residential and commercial ventilation