Flex-All Single Ply Stainless Steel Chimney Liner Kit - 5.5x22 x 25&

Stainless Steel .006 316 grade. Flexible all propose chimney liner made for relining masonry chimneys, that vent gas, wood pellet, oil, or wood appliances. Applications include: fireplace inserts, furnaces, boilers and water heaters. "Forever Vent: The Chimney Liner That's Preferred by Professionals".