| Diameter | : | 4 in ID |
| For Use With | : | Wood, Oil, Coal and Gas Appliances |
| Length | : | 35 ft |
| Product Family | : | M-FLEX™ |
| Product Type | : | Liner Kit |
M-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). OD kits are the same price as ID kits, just add OD to the part number when ordering. For example: CB625KITOD.
NATIONAL CHIMNEY™ Standard Liner Kit, 4 in ID Diameter, 35 ft Length, For Use With: Wood, Oil, Coal and Gas Appliances, Product Family: M-FLEX™