National Chimney M-Flex 7" x 25' Stainless Steel Standard Liner Kit d12 First Aid Treatment Contains Sodium

First Aid Treatment Contains Sodium Silicate

000 BTU Finish RAL 6016 49/51020 Powder Coat Connector Size 8" Width 34" Overall Height 96" Weight 135 lbs

BTU 12500 Finish RAL 2008 49/24340 Powder Coat Connector Size 8" Width 34" Overall Height 96" Weight 165 lbs

Glass Floor Media

National Chimney M-Flex 7" x 25' Stainless Steel Standard Liner Kit d12 First Aid Treatment Contains SodiumM 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