DuraVent DuraLiner 6" x 36" Oval-To-Round Stainless Steel Flex Pipe btu40800 Model 550-TRIM4-BK-B

Model 550-TRIM4-BK-B

repair or change

92“ X 29

Firestop Spacer

Designer Plus series features more natural color and bark details

DuraVent DuraLiner 6" x 36" Oval-To-Round Stainless Steel Flex Pipe btu40800 Model 550-TRIM4-BK-BDuraLiner 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