Endura Flap Thermo Panel Dual-Pane Pet Door for Extreme Weather | Premium Insulated Pet Door Solution | Heavy-Duty, Secure, Weather-Resistant | White, Medium Flap, 77.25"-80.25" Slider Height

EXCEPTIONAL ENERGY EFFICIENCY: Endura Flap thermo panel is designed with dual-pane LoE glass and an insulated dual-layer flap, ensuring optimal insulation for your home and providing a comfortable environment for your pets even in extreme weather conditions; medium flap measures 8" x 15" and is suitable for pets up to 21" tall

SEAMLESS INTEGRATION WITH SLIDING GLASS DOORS: this pet door is specifically designed for sliding glass doors, allowing for hassle-free installation without altering the door's functionality; adjustable height ensures a perfect fit for a wide range of sliding glass door models; medium pet door will require up to 12-1/4" width in your slider, allowing you to continue using your sliding glass door normally

SECURITY & PEACE OF MIND: The Thermo Panel pet door features a heavy-duty molded ABS locking cover, strong as 1/16" steel, and a c-clamp lock (consider a charley-bar for additional security); the robust aluminum frame guarantees long-lasting durability, allowing your pets to enjoy the freedom of coming and going as they please

IDEAL SOLUTION FOR RENTERS AND VACATION HOMES: The spring-loaded top design allows for easy installation and removal, making it a perfect choice for those who rent or have vacation homes; permanent installation is not required, ensuring you can take the pet door with you if you move

BUILT & BACKED FOR LIFE: Endura Flap pet doors are constructed with high-quality materials in the USA and backed by a lifetime warranty; enjoy worry-free satisfaction for you and your pet, knowing you have a top-of-the-line pet door solution