DuraVent DuraVent 12" Inner Diameter - DuraTech Class A Chimney Pipe - Double Wall - 22" Round Ceiling Support

DuraTech Collection 12" Class A Chimney Pipe Round Ceiling Support BoxWarranty Notice: M&G DuraVent warranty applies to this professional grade product only when installed by a trained professional installer. The DuraTech 12" Class A Chimney Pipe Round Ceiling Support Box is used to support chimney pipe and provides a positive connection between support box and chimney. Supports up to 40' of DuraTech Chimney. Trim collars are sold separately.Features:For Class A Chimney PipeTop Diameter: 18"Bottom Outer ...