All Aluminum Greenhouse Fans 26″ to 56″ Diameter.
All Aluminum Greenhouse Fans 26″ to 56″ Diameter. Two inch oversize blade design means more CFM/WATT and lower fan blade RPM for longer life. These fans are constructed of heavy gauge, die formed aluminum and have a deep spun orifice. Tubular bearing and motor supports are welded to the frame for a strong unitized construction.