National Chimney M-Flex 3" x 25" Stainless Steel Standard Liner Kit liquid-propane Ensures long service time with

Ensures long service time with premium aluminum alloy

this contemporary front provides a decorative accent that adds allure to your firebox

You may require multiple heaters to properly heat the areas noted below

Multi-Function: Flame effect can be controlled independent without heating

Model LBS60-Iceglass Size Range 0

National Chimney M-Flex 3" x 25" Stainless Steel Standard Liner Kit liquid-propane Ensures long service time withM 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