B003UKEF2G

DuraFlex SS Collection 4 InchDuraflex Top Plate This DuraFlex SS 4 InchDuraflex Top Plate is the ultimate in flexible components for strength and flexibility. Use to seal top of masonry chimney and support the flex. Not for use with Ventinox flex. Features: Inner Diameter: 4″ Fuel Types Compatible With: Wood,Oil, Coal, Gas, and Pellet. UL Listed. Length 16″. Limited Lifetime Warranty. DuraFlex SS is the ultimate in flexible steel liners for strength and flexibility. It features 20% more stainless steel per foot compared to other liners on the market. Its extreme flexibility facilitates problem free installations where multiple offsets are needed. DuraFlex Pro is manufactured utilizing highly corrosion resistant 316 Stainless Steel. B003UKEF2G