Induced Draft Furnace Blower Application Furnaces For Fuel Type Natural Gas For Appliance Type Gas Furnaces Inlet Diameter 4 5/8 in Outlet Diameter Not Applicable Compatible with Brand Rheem RUUD Replacement For Manufacturer Model Number 70-21496-01 70215239 70219921 FB-RFB090 Nameplate Voltage 115V AC Phase 1 Current 1.1 A Frequency 50/60 Hz Electrical Connection Wire Leads Motor Type Shaded Pole Motor Insulation Class B Maximum Fan Speed 3 400 RPM