Endura Flap Pet Door – Thermo Panel 3E White Frame – Extra Large 74.75″-77.75″

Maintains insulation year round with dual pane LoE glass in sturdy aluminum framing. Simple installation requires no tools perfect for renters or vacation homes. Fits any sliding glass door with adjustable top or custom size. Weatherproof flap is 4-season friendly. Comes in 3 Colors Bronze Satin and White 4 Flap sizes Small Medium Large and Extra Large and three different adjustable track heights.