DuraVent DuraVent 8" Inner Diameter - DuraLiner Rigid Liner Chimney Pipe - Double Wall - 18" x 18" Extend-A-Cap Kit

DuraLiner Collection 8 Inch Inside Diameter Extend-A-Cap Kit (13 Inchx18 Inch)Warranty Notice: M&G DuraVent warranty applies to this professional grade product only when installed by a trained professional installer. This DuraLiner 8 Inch Inside Diameter Extend-A-Cap Kit (13 Inchx18 Inch) efficiently helps venting of heating appliances while protecting masonry chimneys from the damaging effects of flue gas. Use to terminate DuraLiner at the top of the masonry chimney. Kit includes base plate, support cla...