TPI SUSPENSION BLOWERS 48" Belt Drive Fan - 3-Phase These blowers suspend for hanging applications using steel chains and S-hooks included. Corrosion and dent proof high density polyethylene housing. Permanently lubricated ball bearing motor ensures long life. Features include 4 aluminum fan blades, 1-speed open drip proof motors and powder coat finished wire guards. Front and rear spiral wire safety guards. Includes external junction boxes that allow wiring without removing guards. 230V/460V. Meets OSHA standards. UL listed. 1 Year Limited Warranty. Horsepower rating based upon maximum speed/load.