Endura Flap Cat Door for Sliding Glass Doors

Specifically designed for aluminum and vinyl sliding glass doors  Vinyl panels fits 'U' shaped tracks a minimum of 1-1/2" thick for seamless installation Aluminum panels fits tracks at least 1" thick for most secure fit  Available in multiple standard and custom adjustable track height ranges Weather-resistant flap stays flexible in -40 degree temperatures and withstands 50 mph winds  The Endura Flap Sliding Glass Cat Door is designed specifically for aluminum or vinyl-framed sliding glass doors, offering an insulating and weather-resistant solution for your pet's needs. The panel fits comfortably in the track, while safety glass reduces offers a clear view outside.  With adjustable track height ranges, this pet door fits 'U' shaped tracks a minimum of 1" (aluminum) or 1-1/2" (vinyl) thick and provides seamless installation.  The weather-resistant flap remains flexible in temperatures as low as -40 degrees and withstands winds up to 50 mph, thanks to the magnets lining the flap, which keep it sealed during rough weather. The frame is designed to match your existing sliding glass door for a consistent and sleek appearance. For best results, match the material of your sliding glass door with the panel. Mismatched materials may result in condensation.  The pet door can be easily installed and removed with the semi-permanent, spring-loaded design, making it ideal for rentals or vacation homes. This door is perfect for cats and dogs of all sizes, as it comes in small to extra-large flap sizes. The Endura Flap Sliding Glass Cat Door includes a secure locking cover and c-clamp lock.  Features: Built for cats and dogs of all sizes, offering small to extra-large flaps Easy, spring-loaded installation allows for convenient removal without permanent alterations Ensures energy efficiency with magnets lining the flap to seal during rough weather Sturdy frame blends with existing sliding glass doors for a consistent aesthetic Secure locking cover and c-clamp lock included for enhanced safety Allows pets the freedom to access the outdoors independently Comes with a 90-day return policy and a 15-year warranty 5/16" can be trimmed off the top of pet door panel if you need it 5/16" shorter Benefits: Frame applies seamlessly into the track for a highly insulating fit Panel can be removed at any time with the semi-permanent, spring-load design Steer clear from cutting holes or making any permanent changes to your door Comes in white to match the interior design of existing sliding glass door Sturdy locking cover allows you to secure the door when necessary Gives cats the freedom to access the outdoors without needing you to let them out Structurally sound design is built to last