This is what a truly integrated pet door looks like. Instead of cutting into your door or adding a panel, the entire glass unit is replaced with a single, purpose-built insert that includes the pet door from the start. The result is a clean, built-in appearance that feels like it was always part of your home. Seamless Built-In DesignThe glass itself is safety-tempered and shatter-resistant, offering strength and reliability while maintaining the look and function of your original French doors. Because the frame and locking system remain untouched, you keep the security and integrity of your existing setup. At the center of the insert is the Endura Flap, engineered to perform in demanding conditions. The material stays flexible in extreme cold and holds its shape in heat, while the magnetic seal helps the flap return into place after each use. This reduces airflow and improves overall insulation without requiring constant adjustment. Engineered for Extreme ConditionsThis configuration is especially valuable in exposed environments where wind and temperature swings can impact comfort. The sealed design, combined with optional Low-E glass, helps stabilize indoor conditions while still giving your pet the freedom to move in and out independently. Because the insert is built as a single unit, installation is more about proper fit than assembly. Once installed, it functions as a permanent upgrade that blends into your home while delivering long-term performance.