Sliding Glass Dog Door, Adjustable 75.9–80.7 in, Lock

Sliding glass dog door insert lets large dogs go in and out without cutting your door, while helping reduce drafts with an insulated flap. Adjustable from 75 7/8" to 80 11/16", it fits many patio sliding doors and rentals with a no-drill, turn-knob setup. The aluminum alloy frame pairs with a tempered glass panel for a clean, built-in look, and a secure slide-in closing panel with button lock helps control access at night or when you’re away.

• Fits adjustable door heights 75 7/8"–80 11/16" for many sliding glass patio doors and renter-friendly setups


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


• Installs with no drilling using a turn knob; integrated design supports fast, one-step assembly


• Reduces drafts with a triple-layer insulated PVC flap built to resist scratching, impact, and daily wear


• Secures access with a slide-in closing panel and button security lock for travel, nighttime, or training

Skip constant door-duty and keep your home’s entryway looking finished. This sliding patio pet door insert is built for frequent use, with a smooth-acting flap supported by metal hinges and a durable frame designed to handle everyday traffic. When you need control, drop in the closing panel and lock it—simple for you, clear boundaries for your dog. If you want a no-drill dog door for a sliding glass door that suits larger breeds and rental living, grab yours today.

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


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


• Recommended pet size: up to 100 lb


• Door frame material: Aluminum alloy


• Window material: Tempered glass


• Flap material: PVC (triple-layer insulated)


• Lock type: Button security lock + slide-in closing panel


• Item weight (with accessories): 20.1 lb / 9.1 kg