7" American Packing & Gasket Spider Damper - Single Wall Round HVAC Duct Fitting for Home & Commercial Ventilation Systems

The ultimate replacement for warped, worn out, or defective factory built fireplaces. Installation is simple and damper is recessed approximately 6 inches below and inside the top of flue - ideal for restoration projects where an exposed damper is unwanted. The existing or new rain cover can be installed without fear of a freezing or sticking damper. Features: Material: Heavy Stainless Steel. Class "A" solid pack. For use in most prefab, class A, round terra cotta and stainless steel chimneys. Easy to Open and Close from inside the firebox. Prevents Heat and Air Conditioning loss. Prefab fireplace. Single Wall round. Specifications: Overall Dimensions: 7" (L) x 7" (W) . Installs approx. 6" below. Note: We do not accept buyer's remorse returns on these products. Please make sure it works for your needs before ordering. Stainless Steel & Copper chimney caps have a Lifetime Warranty.