Plenum Fan Belt Drive With Drive Package Wheel Dia 18 1/2 In CFM @ 0.250-In SP 3721 @ 0.500-In SP 3525 @ 0.750-In SP 3283 Sones @ 0.250-In SP @ 5 ft 14.9 Sones @ 1.500-In SP @ 5 ft 16.3 Max Inlet Temp 104 Deg F Voltage 208-230/460 60 Hz 3 Phase Full Load Amps 3.1-2.8/1.4 Motor HP 1 Shaft Centerline Height 11 1/4 In Frame Height 22 1/2 In Frame Width 22 1/2 In Frame Depth 22 1/2 In Belt Provided is for Typical Motor Mounting Location Includes Drive Package