Blower Radial Blade Belt Drive With Drive Package Wheel Dia 33 In CFM @ 600-In SP 9649 CFM @ 800-In SP 7605 CFM @ 900-In SP 6125 86 dBA @ 5 Feet Max Inlet Temp 250 Deg F Voltage 208-230/460 3 Phase 60 Hz Motor HP 20 Blower RPM 1254 Housing Height 51 1/4 In Housing Width 15 3/8 In Housing Length 49 1/16 In Discharge Height 19 In Discharge Width 15 3/8 In Inlet Dia 19 1/4 In