Z-Flex 5" x 35' Aluminum Liner Kit w64 was created with the intention

was created with the intention of bringing the outdoors in

and your home safer from fire hazards

USA Safety Agency Certification File E71416 Size 20" Dimensions

Brand DuraVent Series FasNSeal Flex Model 3FSFLEX-55 Product Type Flex Length (Custom)

Z-Flex 5" x 35' Aluminum Liner Kit w64 was created with the intentionUL listed aluminum chimney liner kit for use with Category I natural draft gas fired heating equipment and gas fireplaces. Note: For Use with Natural Draft Appliances. Not intended for use with Category II, III, or IV gas burning appliances as defined by the National Fuel Gas Code, NFPA 54, or other appliances that result in condensation or corrosive acids on the liner of the chimney, or that create positive pressures in the chimney system.