DuraVent DuraLiner 6" x 18" Round Extend-A-Cap Kit 12in Engineers at Vacu Stack work

Engineers at Vacu Stack work tirelessly to understand all the draft problems that could occur within a chimney

Glass media: 6 lbs of glass

You will find most of our packages contain a mixture of different species of pine cones

Warehouses environment and more

DuraVent DuraLiner 6" x 18" Round Extend-A-Cap Kit 12in Engineers at Vacu Stack workDuraLiner ensures safe and efficient venting of heating appliances while protecting the masonry chimney from the damaging effects of flue gas. It is the only factory insulated product with zero zero clearance for high heat wood burning appliances. No need to uncoil flex, insulate a majority of the pipe, or protect the insulation when installing. A smooth inner means less creosote buildup. Installers reduce labor time by 50% or more with DuraLiner. No