Dog Door for Sliding Glass Door, Adjustable 76–81 in, Lock

Sliding glass door dog door insert adds convenient in-and-out access for small pets while keeping your patio door secure. This adjustable-height insert fits many sliding door tracks and installs without tools—ideal for renters and seasonal setups. An aluminum frame with tempered glass blends with your existing door, while the hinged flap and lock help control access when needed.

Give your pet a reliable entryway without committing to permanent modifications. This patio door pet door insert is designed to look clean in your home, handle everyday use, and help you manage access with a simple locking mechanism. Whether you’re setting up for a new puppy, a small dog, or an indoor cat that needs supervised outdoor time, the adjustable height makes it easy to match your door frame. Grab yours today and simplify daily pet routines.