Oem blower, Outlet shape rectangular, with/without flange with flange, wheel dia. 5-1/4", wheel width 2-1/2", cfm @ 0.000-In. Sp 176, cfm @ 0.100-In. Sp 170, cfm @ 0.200-In. Sp 165, cfm @ 0.300-In. Sp 159, cfm @ 0.400-In. Sp 153, cfm @ 0.500-In. Sp 148, voltage 12Vdc, phase 1, full load Amps 5.1, RPM 1875, bearing Type sleeve, motor Type DC, motor enclosure open dripproof, thermal protection none, lead Length 37", conduit box no, max. Ambient Temp. 104 Degrees F, max. Inlet Temp. 104 Degrees F, Inlet dia. 4-1/2", Outlet height 3-1/8", Outlet width 3", overall height 8", overall width 5-11/16", overall depth 7-7/16", wheel Type forward curve, drive Type direct, mounting position all position, housing finish baked enamel, housing material steel, housing color Gray.