National Chimney M-Flex 8" x 25" Stainless Steel Standard Liner Kit watt780 An attractive clean-face design integrates

An attractive clean-face design integrates the barrier screen flush with the fireplace front – allowing you to install tile

or DuraPlus HTC catalog section or installation instructions for proper parts and installation

30" SFCL30(N

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National Chimney M-Flex 8" x 25" Stainless Steel Standard Liner Kit watt780 An attractive clean-face design integratesM FLEX standard liner kits are used for wood, oil, coal, and gas appliances. Each of our . 006" (CB) and . 005" (CBF) standard kits comes with installation instructions and a lifetime warranty. This lining kit has been installed in venting applications since 1992 and continues to be the most popular "all fuels" kit we offer. We stock 3" 8" inside diameter (ID) as well as 6" 8" outside diameter (OD) in our . 006" (CB). What's Included 1x Installation