DuraVent 4FSFLEX-20 Stainless Steel AL29-4C 4 Inch Diameter FasNSeal Flex 20 Foot Length From the FasNSeal Series

DuraVent 4FSFLEX-20 Stainless Steel AL29-4C 4 Inch Diameter FasNSeal Flex 20 Foot Length From the FasNSeal Series

DuraVent 4FSFLEX 20 AL29 4C Stainless Steel FasNSeal Vent Pipe Pipe Length FasNSeal Collection 4 Inch Diameter FasNSeal Flex 20 Foot LengthWarranty Notice: MandG DuraVent warranty applies to this professional grade product only when installed by a trained professional installer This FasNSeal 4 Inch Diameter FasNSeal Flex 20 Foot Length features a patented built in mechanical locking band and triple lipped directional gaskets which allows for ease of installation Use to vent Category II III and IV gas burning appliances Listed to UL 1738 Can only be used in vertical or near vertical runs Use only with FasNSeal components only Features:Inner Diameter: 4"Fuel Types Compatible With: GasUL Listed: YesSingle Wall ConstructionLimited Lifetime WarrantyAll FasNSeal single wall and double wall vent lengths and components feature patented built in mechanical locking band and triple lipped directional gaskets All pipes and components are engineered with smooth clean welds located 90 from mechanica