National Chimney M-Flex 4" x 25" Stainless Steel Standard Liner Kit d37.4 Simple and functional

Simple and functional

the bald eagle

Digital Moisture Reader Manual

heat slowly when first starting fire

Eliminates hot spots near stoves and ceilings

National Chimney M-Flex 4" x 25" Stainless Steel Standard Liner Kit d37.4 Simple and functionalM 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