7.5 inch diameter Single Ply Round Chimney Liner (Only) Chimney liner length*::7.5" x 30 FEET LINER :contentReference[oaicite:2]{index=2}

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Product type: Pre-insulated chimney liner kit Shape: Round Inner diameter: 6 inch Outer diameter: 7

and flue gas leaks

and water heaters that require increased venting capacity beyond a standard 7" liner

and other Category I gas appliances requiring a 6" venting system

7.5 inch diameter Single Ply Round Chimney Liner (Only) Chimney liner length*::7.5" x 30 FEET LINER :contentReference[oaicite:2]{index=2}The 7. 5 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 7. 5 inch chimney liner kit is commonly used for wood stoves, fireplace inserts, and other residential heating appliances that