Inline Duct Blower Belt-Drive Centrifugal With Drive Package Wheel Dia (In.) 18 CFM @ 0.000-In. SP 4651 Sones @ 0.000-In. SP @ 5 ft 26 Blower RPM 1673 Max Inlet Temp (Deg. F) 160 Voltage 208-230/460 Hz 60 Phase 3 Full Load Amps 6.0-5.8/2.9 Motor RPM 1745 Motor HP 2 Motor Enclosure Open Dripproof Inlet Dia (In.) 13-1/4 Outlet Dia (In.) 13-1/4 Outlet Height (In.) 23-7/8 Outlet Width (In.) 23-7/8 Inlet Width (In.) 23-7/8 Inlet Height (In.) 23-7/8