National Chimney M-Flex 5" x 25" Stainless Steel Smooth Wall Liner Kit glass-door 3 sided built in electric

3 sided built in electric fireplace

the source of fresh air should be located as close as possible to the heater

Adding a fireplace to your contemporary space might not seem to travel hand in hand

we offer tempered glass screens for most of our models

National Chimney M-Flex 5" x 25" Stainless Steel Smooth Wall Liner Kit glass-door 3 sided built in electricM FLEX Smoothwall Standard Liner Kits are used for the same applications as the standard M FLEX liner kits. However, the Smoothwall Standard Liner Kits offer superior flexibility with a higher BTU capacity. Each of our smoothwall standard kits comes with installation instructions and a lifetime warranty. We stock 3" 8" inside diameter (ID) kits. What's Included 1x Installation Instruction 1x Liner Kit Basic Liner Kit Includes: UL 1777 Listed and