National Chimney M-Flex 4" x 25" Stainless Steel Standard Liner Kit h5.12 You can choose to install

You can choose to install manual switches as an alternative to the App based controls

8" H Weight BXL/BXR Model: 390lb [177kg]

The appearance of the Highland Oak log set in your fireplace will add a traditional wood-fire-look to your firebox

Replacement motor for the valve used in Rasmussen gas log sets

National Chimney M-Flex 4" x 25" Stainless Steel Standard Liner Kit h5.12 You can choose to installM 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