1956-1957 Chevy Bel Air Heater Underdash Defrost Duct

This 1956-1957 Chevrolet Bel Air Heater Underdash Defrost Duct is an original used GM part. The duct attaches to the underside of the dash and is used for defrosting the windshields. The part has been media blasted and given a black primer.