DuraVent DuraVent 12" Class A Chimney Pipe Firestop Assembly

DuraChimney II Collection 12" Class A Chimney Pipe Firestop AssemblyThe DuraChimney II 12" Class A Chimney Pipe Firestop Assembly is a component that is used in a typical venting installation. Use in ceiling/floor penetrations above fireplace. Firestop is not required when passing through the roof. Fits on underside of ceiling.Features:Used in Ceiling/Floor Penetrations Above FireplaceDimensions: 21-5/8" x 21-5/8"Firestop is 1" ThickUL ListedDuraChimney II is an exceptional factory-built alternative to p...