- Description
Description
For Convection Tubing (will reduce CFM) Galvanized Exhaust/Tube Fan, has center hinged galvanized butterfly shutter that can easily be removed for tube applications.
J&D Manufacturing’s Twister exhaust fan remains unchanged after 20 years. Why change a fan that is this dependable? The Twister is manufactured with a heavy gauge housing and butterfly shutters that open easily on startup, and spring closed when not in use to create a tight weather seal. The Twister is an excellent choice for farms, greenhouses, garages, workshops, hobby shops and a variety of industrial and commercial spaces.