DuraFlex AL Relining Systems ensure safe and efficient venting of heating appliances while protecting the masonry chimney from the damaging effects of flue product condensation. DuraFlex AL, an aluminum relining system, provides and economical means to reline masonry chimney for Category 1 gas furnaces, water heaters, fireplace inserts, and non-condensing boilers and comes with a Lifetime Limited Warranty. DuraFlex AL flexible aluminum liner and components are UL Listed. Pipe Inside Diameter: 3". DuraFlex AL Relining Systems ensure safe and efficient venting of heating appliances while protecting the masonry chimney from the damaging effects of flue product condensation. DuraFlex AL, an aluminum relining system, provides and economical means to reline masonry chimney for Category 1 gas furnaces, water heaters, fireplace inserts, and non-condensing boilers and comes with a Lifetime Limited Warranty. DuraFlex AL flexible aluminum liner and components are UL Listed. Pipe Inside Diameter: 3".
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Carcinogens: This product can expose you to chemicals including Lead, which is [are] known to the State of California to cause c