PetSafe Extreme Weather Sliding Glass Pet Door - Adjustable Height 75 7/8" to 80 11/16" - Medium

Energy Efficient - This energy-efficient sliding glass pet door has dual-paned glass, weather stripping and 3 insulating pet door flaps to keep the weather out and help optimize your energy bill Perfect for Renters - This pet door is easy to install and detach; uses the included adhesive strips so you can easily take it with you if you and your pet move Adjustable Fit - The pet door easily installs into your existing sliding glass door track and the height automatically adjusts to ensure a proper fit