NONEDog Door Sliding Glass Pet Door for Home Use

Give your pet the freedom to come and go through your sliding glass door with secure, easy-to-use access.

• 8 1/4" x 12 1/4" flap opening provides a roomy passage for small dogs and cats, reducing door pauses and easing daily routines.
• You can adjust the height from 75 7/8" to 80 11/16" (1927–2049 mm) to fit most door frames, with installation that requires no tools.
• Durable, weather-ready construction: a reinforced metal cover, sturdy aluminum frame, and tempered glass window for lasting performance.
• Secure lock design lets you control access—perfect for nighttime safety or trips away, and you can choose from M, L, XL.