Gordon Cellar Door RD-1 40 in. x 0 in. Primed Steel Cellar Door Extension Header

The Gordon Cellar Door 6 in. Extension for RD-1 Doors is designed to extend the RD-1 cellar door to cover longer openings. It is made of steel and primed red. The 6 in. extension will extend the length of the unit to 67 in. - 69 in.