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. DuraFlex AL flexible aluminum liner and components are UL Listed.
Dimensions: 4 x 35'.
Manufactured to the Highest Quality Available.
Design is stylish and innovative. Satisfaction Ensured.- SKU: TWST9186