3-Flap Medium Dog Door for Door & 3-Flap Medium Dog Door Replacement Flap with Screws

Fits Medium Sized Pets: Dog door replacement flap measures 8 1/8 inches (W) x 12 7/8 inches (L), the insulation pack measures 8 1/16 inches (W) x 12 3/16 inches (L), and there are 4 holes at the top of the flap. 3-FLAP Dog Door for Exterior Door: Built with a sturdy steel frame and an steel sliding lock, this doggy door is designed to withstand daily use and all weather conditions, ensuring long-lasting performance Heat and Cold Resistant: Doggie door replacement flaps feature a double-flap design with built-in insulation to withstand all types of inclement weather, with temperatures ranging from -20°F to 120°F. Ideal for use in extreme climates Flexible and Durable: Doggy door replacement flap is fitted with a magnetic strip at the bottom to ensure that the flap closes safely and securely when the pet passes through, preventing mosquitoes from entering Easy Installation: Pet door replacement flap installation process is simple and quick, no complicated tools are needed, just a common screwdriver with our included screws can complete the installation › See more product details