National Chimney M-Flex 5" x 25" Stainless Steel Standard Liner Kit d34 a propane air mixer is

a propane air mixer is required)

front trim access & easy setup

Brand DuraVent Series FasNSeal Model FSIPSDF03B Product Type IPS Drain Fitting

American Fyre Design Black Mesh Screen Fireplace Covers available in Black color

For Chillbuster and Alterna Vent-free Sets

National Chimney M-Flex 5" x 25" Stainless Steel Standard Liner Kit d34 a propane air mixer isM 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