Duravent Duraflex
DuraFlex AL is an economical venting system used for relining masonry chimney for natural gas or liquid propane category I, draft hood equipped appliances, and appliances tested and listed to use Type B Gas Vent for a wide range of applications, including: natural gas fireplaces, gas fired furnaces, boilers, water heaters, and wall or space heating applications. DuraFlex AL also protects the masonry chimney from the damaging effects of flue product condensation.
- Sale!DuraVent DuraFlex 4DFA-35K AL Length - 4" x 35'
- Sale!DuraVent DuraFlex 3DFA-35K AL Length - 3" x 35'
- Sale!DuraVent DuraFlex 4DFA-25K AL Length - 4" x 25'
- Sale!DuraVent DuraFlex 4DFA-35 AL Length - 4" x 35'
- Sale!DuraVent DuraFlex 3DFA-25K AL Length - 3" x 25'
- Sale!DuraVent DuraFlex 3DFA-35 AL Length - 3" x 35'
- Sale!DuraVent DuraFlex 4DFA-25 AL Length - 4" x 25'
- Sale!DuraVent DuraFlex 3DFA-25 AL Length - 3" x 25'