Blower Single Inlet Belt Drive Forward Curve With Drive Package Wheel Dia 20 In. CFM @ 0.125-In. SP 4889 CFM @ 0.250-In. SP 4482 CFM @ 0.375-In. SP 4056 CFM @ 0.500-In. SP 3546 dBA @ 5 Feet 64 Max Inlet Temp 250 Deg. F Voltage 115/230 Single Phase 60 Hz Motor HP 1 Height 40-1/4 In. Width 34-1/2 In. Depth 42-15/16 In. Inlet Dia 21-1/2 In. Discharge Height 21-1/2 In. Discharge Width 15-7/8 In. Includes Weather Proof Drive Cover