Fireplace Blower for Heatilator FK21, GFK21; Security UZY3; Rotom Replacement # R7-RB66 Blower only, no power cord, 115 Volts 115 CFM, 2400 RPM, .92 amps; Skelton Motor, 115 Volts Overall length = 13.0" x 4 7/8" height Flange opening = 4.75" 1 Year Manufacture Warranty