Slantwall Exhaust Fan, Direct Drive, Propeller Dia 36 In, 10659 CFM @ 0.000-In SP, Volts 115/230, 60 Hz, 1 Phase, Full Load Amps 7.6/3.8, HP 1/2, Motor RPM 850, Motor Type Capacitor Start, Motor Enclosure TEFC, Fan RPM 850, Bearing Type Permanently Lubricated Ball, Height 42 3/4 In, Width 40 3/4 In, Max Depth 46 In, Propeller Material Galvanized Steel, Number of Blades 2, 18.3 CFM/Watt @ 0.000-In SP, Includes Corrosion-resistant Shutter with Quick-release Latches RestrictionsNote: OSHA complying guards are required when fan is installed within 8 ft. of floor or working level, or within reach of personnel. Review OSHA Codes and UL Standards. Slant-Wall and Cone Exhaust FansSlant-WallVenturi panel, housing, and propeller are corrosion-resistant galvanized steel. Vertical mount, flush to inside of building. Each includes fan in housing, intake shutter, and discharge guard. For humid, corrosive, nonexplosive, and nonhazardous environments such as livestock and poultry houses.Totally enclosed motor with ball bearings Voltage: 115/230V except 4B051 is 230V only Corrosion-resistant shutter with quick-release latches 6LY25 automatic belt tensioner included with belt drive modelsCorrosion-resistant shutter held with quick-release turn-button latches Discharge guard features 1 x 2" galvanized wire mesh Shipped fully assembled