The Patio Pacific Quick Panel 3 Patio Pet Door for sliding glass doors offer a great solution for your doggie door or cat door, No need to cut a hole in a door or wall, No need to modify your sliding glass door framing, When you move, you can take it with you, The award winning Endura Flap Pet Door for Sliding Glass Doors - Quick Panel 3 - is identical to the Thermo Panel 3e except for the use of heavy duty single pane glass instead of dual pane, low "E" glass, It is appropriate for more temperate climates or where a lighter weight panel is desired, The benefits of the Endura Flap are far more important than whether the glass is single pane or dual pane, The Quick Panel 3 is the best "three season" panel due to the high performance of the Endura Flap, If you add dual pane insulated low "E" glass, it would be appropriate for four season use, The Quick Panel 3 combines heavy duty single pane glass with the patented, award winning Endura Flap to become one of the most energy efficient patio panels on the market, It also is highly wind-resistant, includes a draft stopper and is thoroughly built to last and backed by a superior 10 year warranty, with 15 years on the flap, The Patio Pacific Patio Pet Doors are the only patio pet doors that blocks bugs, All other patio pet doors introduce a large bug gap but the Quick Panel 3 Patio Pet Door includes a bug-blocking Bug Warden, Only Patio Pacific panel pet doors do not require a drill or other tools for installation, It also has a patented, exclusive user adjustable step-over to match pet door height to pet height after purchase, It also includes a built-in Anti Whoops in case your measurements are slightly off, The Thermo-Panel 3e includes a provision to lock the sliding door, beefy metal framing, and a sturdy locking pet flap cover, The patented, award winning Endura Flap is 100% designed, engineered and manufactured in the USA, Fits any Sliding Glass Door -minimum track width 1 inches, Standard ranges include 74, 75 inches - 77, 75 inches and 77, 25 inches - 80, 25 inches, Standard "Oversize" is 93, 25 inches - 96, 25 inches, Dimensions: 79 inches L x 4 inches H x 17 inches W SKU: PTPC038