Spring Top Damper Chimney Liners > Single Ply Round Chimney Liners This oval chimney liner kit

This oval chimney liner kit is available in larger sizes including 12"

The double-ply smooth wall construction provides enhanced strength

Product type: Double ply smooth pre-insulated chimney liner Shape: Round Inner diameter: 7 inch Material: 316 stainless steel Construction: Double-ply smooth pre-insulated flexible Certification: UL 1777 listed Key Benefits

The 12 Inch

This allows the maximum flue size as the lid springs straight up

Spring Top Damper Chimney Liners > Single Ply Round Chimney Liners This oval chimney liner kitThis damper allows the maximum flue size as the lid springs straight up. When closed the gasket forms a seal helping to save energy in the summer on air conditioning and in the winter on heating costs. It comes with a lifetime transferable warranty. All Spring Top Dampers include a 30' Cable & Hardware Package.