4 Inch diameter Round Aluminum Chimney Liner Kit Chimney Liner Parts Its lightweight single-ply construction provides

Its lightweight single-ply construction provides excellent flexibility for easier installation while maintaining long-term durability and strength in high-heat applications

and high-output heating appliances where proper venting requires a larger flue diameter but space is limited

Made from high-quality 316 stainless steel with built-in insulation

Its double-ply smooth wall construction features a smooth interior that improves airflow and draft performance while helping reduce creosote buildup compared to standard corrugated liners

Smooth oval chimney liners provide improved draft efficiency and easier cleaning compared to corrugated liners

4 Inch diameter Round Aluminum Chimney Liner Kit Chimney Liner Parts Its lightweight single-ply construction providesThe 4 Inch Aluminum Round Chimney Liner Kit is a lightweight and cost effective chimney liner designed specifically for venting gas appliances. Made from high quality 2 ply aluminum, this liner kit is ideal for relining masonry chimneys while protecting against flue gas condensation and improving venting performance. This 4 inch aluminum chimney liner kit is commonly used for gas fireplaces, furnaces, boilers, and water heaters that require a 4"