Z-Flex Z-Max 4" x 40' Stainless Steel Chimney Liner Kits for All Fuels w25.75 360-Degree swivel locking wheels

360-Degree swivel locking wheels

durable tempered glass construction to ensure a long-lasting

Brand DuraVent Series FasNSeal Model FSA-SWDW7 Product Type Double-Wall Adapter

Natural Iron provides a beautiful fire set that will enhance your fireplace space

An easy-to-install system allows several configurations

Z-Flex Z-Max 4" x 40' Stainless Steel Chimney Liner Kits for All Fuels w25.75 360-Degree swivel locking wheelsZ Flex Triple Lock stainless steel chimney liner kits come complete with everything you need to quickly and easily install. Features Available in 3", 4", 5", 5. 5", 6", 7", 8", 9", 10" Larger sizes available upon request Alloy 316 Titanium Patented airtight Triple Lock construction is tested and listed by UL UL 1777 and ULC S635 Listed for use with wood, pellet, oil, natural gas, and propane fired appliances.