Your new stainless chimney liner kit will include: Premium .006 Thick Stainless Steel Flexible Chimney Liner (316). The liner is air and water tight sealed. 7 seams with 10 corrugations between each seam. These liners have the very best flexibility and strength combined on today's market. When they heat up they expand, when they cool down they contract, cutting down and fighting against creosote build up. Note: The size given is the inside diameter. Add 1/4" for the outside diameter of the liner. This kit includes a Vertical Appliance Connector where the liner fits into the female side, utilizing the quick connect band. Use the Appliance Connector when you are connecting vertically to the top of a fireplace insert or appliance. A perfect round fit every time thanks to the smooth weld technology. A 13" x 13" Top Plate with a Quick Connect Collar is also included to secure the chimney liner from the top of the chimney. You can trim it to fit with a pair of snips and it's ready for installation. If you need a larger size or different style, please contact us for details. The Quick Connect Flue Cap with mesh screen will keep animals and debris out of the chimney. Fasten down the quick connect clamp to the collar of the Top Plate and you're done! A sharp looking square chimney cap that installs in a snap. Complete do-it-yourself 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. Lifetime Warranty and it is transferable if you should ever sell your house. Note: Measure the inside of your flue and inspect for offsets or narrowing sections to be sure it can fit the chimney liner. Highly recommended to contact our Certified Technicians to review the installation before purchasing. Once the flex liner is uncoiled, we cannot accept a return on it.