DuraVent DuraLiner 8" x 20" Oval Extend-A-Cap Kit h21.88 Flame Color Orange

Flame Color Orange

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Model 94203360 Material Aluminum Diameter 3" x 3" Cap Size W 18" x D 18" x H  9" Clearance UL and ULC listed to 1777 standard

Hargrove CLC-BLOCK Latchtap Block

DuraVent DuraLiner 8" x 20" Oval Extend-A-Cap Kit h21.88 Flame Color OrangeDuraLiner 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