National Chimney M-Flex 3" x 15" Stainless Steel Standard Liner Kit watt2575 Includes 2 corner chairs that

Includes 2 corner chairs that can be used as individual seats

Flame Without Heat Option

Assist in achieving proper pitch for condensate management

The Bay Fireplace Insert is designed for single room installation and features three open sides that enable the hypnotic flame to be viewed from the front and both left and right sides

National Chimney M-Flex 3" x 15" Stainless Steel Standard Liner Kit watt2575 Includes 2 corner chairs thatM 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