Gordon Cellar Door 14 in. Primed Steel RD1 Cellar Door Extension Header

The Gordon Cellar Door 12 in. Extension for RD-1 Doors is designed for use when your door opening is longer than the RD-1 cellar door. This extension is made of heavy-duty steel and primed red. The 12 in. extension will extend the overall length of the unit to 73 in. - 75 in.