DuraVent DuraVent 7" Inner Diameter - DuraTech Class A Chimney Pipe - Double Wall - 13" Square Ceiling Support Box

DuraTech Collection 7" Class A Chimney Pipe 24" Square Ceiling Support BoxWarranty Notice: M&G DuraVent warranty applies to this professional grade product only when installed by a trained professional installer. The DuraTech 7" Class A Chimney Pipe 24" Square Ceiling Support Box is used to support chimney pipe and provides a positive connection between support box and chimney with a built-in twist lock. Suitable for both flat and cathedral (A-Frame) ceiling applications. Also is used in short attic spac...