National Chimney M-Flex 7" x 25' Stainless Steel Standard Liner Kit d22.625 2in [2850mm] Height 31

2in [2850mm] Height 31

The homeowner can control both the volume of air and the direction of air with these unique products

Model C-48-ST-UB-T2 Material Ceramic

BTU 12500 Finish RAL 1003 49/22580 Powder Coat Connector Size 8" Width 34" Overall Height 96" Weight 165 lbs

National Chimney M-Flex 7" x 25' Stainless Steel Standard Liner Kit d22.625 2in [2850mm] Height 31M 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