DuraVent DuraFlex AL 3" Aluminum Coupler w11.1 This extremely efficient method of

This extremely efficient method of heating can result in fuel savings of between 30% and 50% when compared to forced air convection heating

Width - 15

For Outdoor Gas Fireplaces

Stainless Steel Chimney Length

Vent Termination Chart

DuraVent DuraFlex AL 3" Aluminum Coupler w11.1 This extremely efficient method ofDuraFlex Aluminum 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. Protects the masonry chimney from damaging effects of flue product condensation.