Hydrofarm Hydrofarm Active Air 4 inch In-Line Fan 165 CFM

Size:4 Inch Active Air Inline Duct Fans offer innovation and performance at a great price. With a full line of fans to meet your needs, all Active Air Fans feature:Durable ceramic-coated metal housingUL-recognized componentsHigh quality molded impellerLow noise outputThermally-protected AC motorIncludes mounting brackets and 8 foot pre-wired 120V cord