The Patio Pacific Thermo-Panel 3e 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 Thermo-Panel 3e combines dual-pane, Low inchesE inches glass with the patented, award winning Endura Flap to become the most energy efficient patio panel 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 Thermo Panel 3e 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, The Thermo-Panel 3e combines dual-pane, Low inchesE inches glass with the patented, award winning Endura Flap to become the most energy efficient patio panel 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, This Thermo-Panel 3e Patio Pet Door features the only patio pet door that blocks bugs, All other patio pet doors introduce a large bug gap but the Thermo Panel 3e includes a bug-blocking Bug Warden, It is the only panel pet door that doesn"t 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: 72 inches L x 4 inches H x 17 inches W SKU: PTPC026