Oem blower, Outlet shape rectangular, with/without flange with flange, wheel dia. 6-1/4", wheel width 3-13/16", cfm @ 0.000-In. Sp 542/409, cfm @ 0.100-In. Sp 520/398, cfm @ 0.200-In. Sp 510/387, cfm @ 0.300-In. Sp 480/375, cfm @ 0.400-In. Sp 465/362, cfm @ 0.500-In. Sp 450/348, cfm @ 0.600-In. Sp 420/337, cfm @ 0.700-In. Sp 390/300, cfm @ 0.800-In. Sp 358/270, voltage 115, Hz 50/60, phase 1, full load Amps 2.00/1.54, RPM 1430/1060, bearing Type ball, motor Type permanent split capacitor, motor enclosure open, motor insulation Class b, thermal protection auto, lead Length 13", conduit box Yes, max. Ambient Temp. 104 Degrees F, max. Inlet Temp. 104 Degrees F, Inlet dia. 5-5/16", Outlet height 4-1/4", Outlet width 5-1/4", overall height 11-1/8", overall width 9-1/16", overall depth 10-7/16", wheel Type forward curve, drive Type direct, mounting position all position, housing finish enamel, housing material rolled steel, housing color Gray, agency compliance UL recognized us and Canada