We don't promise any magic tricks -- the Active Air blower collection isn't magic at all. Instead, rely on proven technology and long-tested craftsmanship to keep air moving around your indoor grow room. With blower sizes available to suit the smallest area to entire mini greenhouses, you'll find one that helps you refresh your air, almost at the drop of a (black) hat.
•4" intake flange. For medium inflation jobs and exhausting air outside.
•Exchanges air in a 200 cu. ft. room in 2 minutes.
•Flange Type: 4 hole square
•Motor Hp: 1/40th