Sliding Glass Door Dog Door Insert Adjustable 75.8–80.3 in Large White Aluminum

Quick Intro:
This sliding glass door dog door insert offers a clean, secure way to give your pet independent access without permanent modifications. Built with a durable aluminum frame and adjustable height, it fits most standard sliding doors while maintaining everyday usability and home security.

Key Features:

  • Adjustable height range from 75 4/5" to 80 3/10" for flexible fit

  • Designed as a sliding door insert, no cutting or drilling required

  • Large flap opening allows comfortable passage for medium to large dogs

  • Supports pets up to 75 lbs

  • Durable aluminum frame built for daily use

  • Classic white finish blends seamlessly with most home interiors

  • Locks securely into existing sliding door tracks

  • Preserves full sliding door functionality

  • Reliable construction minimizes gaps and improves stability

  • Suitable for both dogs and cats

  • Designed for apartments, rentals, and permanent homes

At-a-Glance Specs:
Brand: YGNNJY
Size: Large
Color: Classic White
Material: Aluminum
Frame Material: Aluminum
Adjustable Height Range: 75 4/5" to 80 3/10"
Flap Opening Size: 10.2"W x 16.25"H
Maximum Pet Weight: 75 lbs
Closure Type: Locking
Compatible Door Thickness: Up to 80.3"

Ideal For:

  • Dog owners in apartments or rental homes

  • Medium to large dogs needing easy outdoor access

  • Sliding glass patio doors

  • Pet owners wanting a non-permanent installation

  • Homes prioritizing convenience without structural changes

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Condition:
New Open Box – Handpicked from Amazon returns and overstock pallets. Unused, fully inspected and functionality-verified (when applicable). Packaging may show light handling wear; all standard accessories are included unless otherwise noted.

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