Sliding Glass Dog Door Insert, Adjustable Height, Medium Lock

Dog door for sliding glass door installation gives your medium pet easy, independent patio access without drilling into your rental or home frame. The adjustable-height panel fits common sliders, using a swing-open design for moving bulky items through the doorway. A tempered glass insert, aluminum alloy frame, and draft-blocking weatherstripping help keep the opening secure, stable, and comfortable through daily in-and-out traffic.

• Fits sliding doors 75 7/8"–80 11/16" (1927–2049 mm) with a turn-knob height adjuster—no drilling required


• Delivers a 180° swing-open panel (inward or outward) to pass furniture, boxes, or strollers with less hassle


• Blocks drafts with high-density felt weatherstripping inside and out to help reduce hot/cold air intrusion


• Secures entry with a button security lock plus a slide-in closing panel for controlled access


• Supports left or right installation to match your existing sliding glass door layout

Built for frequent use, the one-piece PVC flap uses metal hinges for smooth, reliable swing and fewer snags during busy pet routines. The tempered glass window and aluminum alloy frame create a clean, attractive look that blends with most patio sliders while staying sturdy under everyday opening and closing. If you want a renter-friendly way to give your dog freedom without permanent modifications, grab yours today and simplify every potty break.

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


• Flap opening (M): 8 1/4" W × 12 1/4" H


• Recommended pet size: up to 40 lb


• Frame material: Aluminum alloy


• Window material: Tempered glass


• Flap material: PVC


• Weight (with accessories): 19.2 lb / 8.7 kg