Sliding Glass Door Dog Door, Adjustable Height, Lock, Large Dogs

Sliding glass dog door insert adds large-dog access without drilling, so your patio door stays functional while pets come and go on their schedule. Adjustable height fits most sliding door tracks, with a tempered glass panel and aluminum alloy frame built for everyday in-and-out traffic. A swing-open design helps you move bulky items through the opening, while weatherstripping helps block drafts for a more temperature-stable room.

• Fits sliding glass doors 75 7/8"–80 11/16" high (1927–2049 mm) with a turn-knob height adjuster


• Delivers a large flap opening (10 1/4" W x 16 1/4" H) suitable for pets up to 100 lb


• Blocks drafts with high-density felt weatherstripping on both interior and exterior frame edges


• Secures access with a button-style security lock and a slide-in closing panel


• Supports left or right installation and a 180° swing-open panel for easier pass-through

Built for renters and homeowners who want a clean, removable sliding door pet insert, this unit combines tempered glass for a finished look with an aluminum alloy frame designed to handle frequent use. The one-piece PVC flap uses metal hinges for smooth operation and dependable closure. When it’s time to lock up, use the slide-in panel and button lock to control entry. Set up is straightforward with no drilling required—grab yours today and make daily patio access simpler for you and your dog.

• Adjustable height: 75 7/8" to 80 11/16" (1927–2049 mm)


• Flap opening: 10 1/4" W x 16 1/4" H (size L)


• Recommended pet size: up to 100 lb


• Frame material: aluminum alloy


• Panel material: tempered glass


• Flap material: PVC; metal hinge hardware


• Weight (with accessories): 22.5 lb / 10.2 kg


• Opening style: 180° swing-open; left/right install compatible