Thumbnail Filmstrip of 4"x 20 ft Single Ply Chimney Liner Images
Flex-All™ Single Ply Chimney Liner CoilThe most flexible single-ply chimney liner on the market. More ribs between each seam this means more than double the flexibility than competitor's brand. Seven ply quad knurled locked seams. 100% leakproof, air, and watertight unbreakable lock. 316L .006 Stainless Steel all-purpose for use with Oil, Gas,Wood and Pellet heating systems. Not for use on Coal systems. Tested and approved to UL1777 zero clearance standards. You can't buy a better chimney liner for the money anywhere! I.D. Size: 4" O.D. Size: 4.25"
Lifetime Warrantry. Made in the USA