DuraVent 4 in. D Chimney Relining Pipe

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. Simpson Dura-Vent has changed their name to DuraVent. DuraVent is a recognized technological leader in the venting industry. Consistently the first to market with new innovations in venting systems DuraVent has captured a leadership position in emerging markets. DuraVent has patents for several products and continues to design safe and technologically advanced venting.