Your new stainless chimney liner kit will include: Premium .013 thick Stainless Steel Smooth Wall Flexible Chimney Liner (316). Due to its superior flexibility and increased BTU capacity, our smooth wall liner is gaining in popularity. Its smooth interior design allows for more airflow, adding back the 20% drag factor that's lost in traditional corrugated liners. And since it's made of 7-ply 316 stainless steel and 2 inner linings (.013 total thickness), it's great for any application. 100% stainless steel and 100% made in the USA. Note: The size given is the inside diameter. Add 1/4in for the outside diameter of the liner. PLEASE NOTE: When installing Smooth Wall Liner, install with RED ARROW pointing UP. 13in x 13in Flat Top Plate with a Quick Connect Collar to support the liner at the top of your chimney. You can trim it to fit with a pair of snips and it's ready for installation. Square Quick Connect Flue Cap with mesh screen. Fasten down the quick connect clamp to the collar of the Top Plate and you're done! A sharp looking cap that installs in a snap. Vertical Appliance Connector - The liner fits into the female side, utilizing the quick connect band. The other end is ready for your insert, fireplace, stove, or other appliance. A perfect round fit every time thanks to the smooth weld technology. Lifetime Warranty and it is transferable if you should ever sell your house. Complete installation instructions (Installing a chimney liner made easy.) If you're at all handy, do this job yourself and save between $1,200 and $2,500. We will support you before and after the sale.