Low profile blower, forward curve, direct drive, wheel dia 2 15/16 in, cfm @ 0.000-In SP 223, voltage 115, 60 Hz, single phase, full load Amps 0.51, RPM 2806, max Inlet Temp 104 degree F, overall height 4 13/16 in, overall width 14 3/4 in, overall depth 3 5/8 in