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.
Features:
- Available in 12", 16", 20" and 24"
- 18 gauge galvanized butterfly shutter has adjustable, positive draft-free closure
- Fan comes fully assembled for easy installation. Just cut your rough opening, attach to your structure, and wire.