Endura Flap Vinyl Sliding Glass Cat Door

Vinyl panel 12 3/16" wide designed specifically for vinyl sliding glass doors  Durable pet door designed to resist harsh weather Low-E glass reduces UV rays and infrared light Easy installation in 'U' shaped tracks a minimum of  1-1/2" thick  How to Measure Your Track Height video guide The Endura Flap Vinyl Panel is the most insulating cat door on the market, designed specifically for vinyl-framed sliding glass doors. Unlike other metal frames common among sliding glass door panels, the vinyl frame fits more comfortably in the track and matches the original vinyl of your sliding glass door. This semi-permanent pet door has a spring-loaded design for easy installation. It safely secures the panel in place without making any permanent alterations, which is ideal for rentals and vacation homes! Engineered to withstand -40 degree weather and 50 mph winds, the magnets that line the flap ensure the utmost energy efficiency and keep the flap sealed during rough weather. The vinyl panel al