Flex-All Stainless Steel Chimney Liner 8 in. x 25 ft. Kit is made of single ply 316, 0.006 in. stainless steel and is backed by a lifetime warranty. It is flexible for relining masonry chimneys. All propose, can be used with gas, wood pellet, oil or wood appliances. Applications include: fireplace inserts, furnaces, boilers and water heaters.

　　- Kits included the following parts, a 8 in. x 25 ft. length of single ply chimney liner, 2-part tee, tee cap, 14 in. x 14 in. top plate with drip collar, round cap, fasteners, installation instructions and homeowner's warranty card, please note: liner will ship in two pieces in two boxes, sleeve is included to attach liner together

　　- 316-Stainless steel

　　- Lifetime warranty

　　- Made in the U.S.A.

　　- Forever vent the chimney liner kit that's preferred by professionals