4" x 12" Pelletvent Pro Pipe, Adjusts 4"-10"_25353
4" x 12" Type B Gas Vent, .012 Aluminum Inner Liner, .018 Galvan_68404
4" x 15' kit of DuraVent 304-Alloy DuraFlex Light Liner_103317
4" X 15' Selkirk Gas Relining Flexi-liner Kit, Aluminum_77113
4" x 15'DuraVent DuraFlex Chimney Liner_68200
4" x 20' DuraVent DuraFlex Chimney Liner_68201
4" x 20' kit of DuraVent 304-Alloy DuraFlex Light Liner_103314
4" x 24" Dura-Connect .012" Gas Connector Pipe_69222
4" x 24" Pelletvent Pro Pipe Black_25407
4" x 24" Pelletvent Pro Pipe,304-alloy Stainless Inner Pipe, Gal_25437
4" x 24" Rigid Dryer Vent Pipe, Case Of 25_89600
4" x 24" Type B Gas Vent, .012 Aluminum Inner Liner, .018 Galvan_68408
4" x 25' DuraVent DuraFlex Chimney Liner_68202
4" x 25' Flexible Aluminum Dryer Duct_89210
4" x 25' HomeSaver Roundflex Chimney Liner_22104
4" x 25' HomeSaver Ultrapro 316Ti Liner_17515
4" x 25' HomeSaver Ultrapro Liner Kit_17146
4" x 25' kit of DuraVent 304-Alloy DuraFlex Light Liner_103310
4" X 25' Selkirk Gas Relining Flexi-liner Kit, Aluminum_77114
4" x 30' HomeSaver Ultrapro 316Ti Liner_17518
