Twister Shutter Mounted Exhaust Fan 24 inch 4820 CFM VFT141133

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″ Hinged rear guard allows for easy cleaning and maintenance by simply removing two bolts and swinging out the fan assembly Aluminum prop with zinc plated hub is balanced for smooth vibration-free operation 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 Direct drive motor Heavy-duty motor mount / safety guard combination has an easy-to-clean coated finish Totally enclosed,