4 inch diameter Single Ply Round Chimney Liner (Only) Chimney liner length*::4" x 20 FEET LINER and other residential heating appliances

and other residential heating appliances that require a 4" venting system

Oval chimney liners are commonly used in tight or rectangular flue tiles to maximize airflow while maintaining proper venting performance

18" x 18" and 24" x 24" and is available for 3" thru 18" diameter flexible liners

The double ply smooth wall chimney liner kit is

4 inch diameter Single Ply Round Chimney Liner (Only) Chimney liner length*::4" x 20 FEET LINER and other residential heating appliancesThe 4 Inch Single Ply Round Chimney Liner Kit is a premium stainless steel chimney liner designed to improve chimney performance, safety, and durability. Made from high quality 316 stainless steel, this liner kit is ideal for relining masonry chimneys while protecting against corrosion, moisture, and flue gas leaks. This 4 inch chimney liner kit is commonly used for wood stoves, pellet stoves, and other residential heating appliances that require a 4"