Endura Flap Vinyl Sliding Glass Cat Door

Specifically designed for vinyl sliding glass doors with 12 3/16" wide vinyl panel Pet door with 3/16" clear safety glass Fits 'U' shaped tracks a minimum of 1-1/2" thick for seamless installation Adjustable track height ranges: 74-3/4" to 77-3/4" and 77-1/4 to 80-1/4" Weather-resistant flap stays flexible in -40 degree temperatures and withstands 50 mph winds How to Measure Your Track Height video guide The Endura Flap Vinyl Sliding Glass Cat Door is designed specifically for vinyl-framed sliding glass doors, offering an insulating and weather-resistant solution for your pet's needs. The 12 3/16" wide vinyl panel fits comfortably in the track, ensuring your home stays energy efficient. With adjustable track height ranges, this pet door fits 'U' shaped tracks a minimum of 1-1/2" 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 ke