Gordon Cellar Door RD-3 48 in. x 0 in. Primed Steel Cellar Door Extension Header

The Gordon Cellar Door 18 in. Extension for RD-3 Doors is primed red and can be painted. It is made of heavy-gauge steel and designed for extending the RD-3 cellar door to cover longer openings. Designed to accommodate openings that are longer than the door size.