DuraVent DuraFlex 4 in. D Aluminum Adapter/Flex Connector
$55.69
$72.4
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.Use to connect DuraFlex AL lengths to appliance, Type B Gas Vent, or flex lengths.,Aluminum construction,0\ clearance to Masonry
