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Flex-All™ Single Ply Chimney Liner Coil
The 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: 5" O.D. Size: 5.25"Lifetime Warrantry. Made in the USA