J&D Manufacturing Tornado Fiberglass Exhaust Fan, 50" - 19937 CFM (Belt Drive, 115/230 Volt, 1HP, Single Phase, Two Speed, With Cone, Aluminum Shutter, 6 Blade Galvanized Prop) – 50" - 19937 CFM (Belt Drive, 115/230 Volt, 1HP, Single Phase, Two Speed

J&D Manufacturing's Tornado exhaust fan is made to withstand even the harshest agricultural environments. With it's stainless steel mounts and corrosion-resistant fiberglass housing with gel coat for easy cleaning and minimal dirt build-up, the Tornado exhaust fan will provide many years of high performance ventilation. The fiberglass housing carries a 20-Year warranty. We stand behind our products even in the harshest agricultural environments. The Tornado is a great exhaust fan, especially for all-in, all-out facilities. Tornado Fiberglass Exhaust Fan Features: Available in 12", 16", 20", 24", 36" and 50" 20 Year Warranty on fiberglass housing Rust-free, corrosion-free, molded fiberglass housing with gel coat for low maintenance Stainless steel internal frame and hardware for corrosion resistance Your choice of poly or aluminum shutter Spring belt tensioner on 50" belt drive models Slant wall housing for more efficient airflow Performance-enhancing poly cones available on 20"- 50" fans 36" models are available with galvanized, nylon, or stainless steel prop Lifetime Warranty on cast aluminum props, available on select 50" models 50" belt drive model's bearings are eccentric locking, pre-lubricated, permanently sealed and rubber mounted to improve operation and reduce prop fatigue and are covered by a 3 Year Warranty Totally enclosed, maintenance-free, high-efficiency motors Select 20"-36" models use J&D's Gold Star, direct drive, IP66 rated, CSA recognized motor, covered by a 3 Year Warranty Standard models use motors that have completely sealed ball bearings, are UL and CUL recognized, and are covered by a 2 Year Warranty Applications: Dairy, Greenhouse, Industrial, Poultry Fan Size Rough Opening Minimum Distance Between Openings 12" 17 1/2" W x 18 1/2" H Fans with a cone require a minimum spacing between rough openings to accommodate width of cones 16" 21 1/2" W x 23" H Fans with a cone require a minimum spacing between rough openings to accommodate width of cones 20" 25 3/4" W x 25 3/4" Fans with a cone require a minimum spacing between rough openings to accommodate width of cones 24" 31 1/2" W x 31 1/2" H 3 1/4" 36" 44" W x 44" H 9" 50" 56" W x 56" H 10"