Selkirk 5 in. D Aluminum/Galvanized Steel Wall Thimble 10-00-001-3306 cellar doors and by-passing doors

cellar doors and by-passing doors where handle sets flush with surface

For leveling

NIOSH Rating: P95

Cutting Depth: 1-1/2 in

Selkirk 5 in. D Aluminum/Galvanized Steel Wall Thimble 10-00-001-3306 cellar doors and by-passing doors5 type B gas vent wall thimble from the RV collection this wall thimble is used for installation through a combustible wall to ensure clearance to combustibles is maintained. It also serves as a fire stop and can adjust from 4. 125 to 7 to fit the thickness of the wall. The RV series offers round gas vent pipe and fittings for residential, commercial and industrial applications. It features a snap together, non positional lock system, die formed ends