Z-Flex Z-Max 10" x 25' Stainless Steel Chimney Liner Kits for All Fuels h31.1 air-cooled design allows the chimney

air-cooled design allows the chimney to expand both radially and lengthwise under high temperatures

no need for electricity

25" Length:  16" - 18

Fireplace Kit

Z-Flex Z-Max 10" x 25' Stainless Steel Chimney Liner Kits for All Fuels h31.1 air-cooled design allows the chimneyZ 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.