Endura Flap Double Flap Pet Door for Doors | All-Weather Insulated Flap | Durable Aluminum Frame with Secure Locking Cover | Interior and Exterior Door Installations | Black, Large, Double Flap

DURABLE & WEATHER RESISTANT: The Endura Flap single flap pet door is designed with a high-quality aluminum frame and an insulated flap that remains flexible in extreme temperatures, providing excellent weather resistance and energy efficiency for your home; large flap measure 10" x 18" and is suitable for pets up to 27" tall

VERSATILE INSTALLATION: our pet door is suitable for a wide range of doors, including solid core, hollow core, metal, and storm doors, and is available in four sizes to accommodate pets of all sizes; double flap pet door is designed to fit doors between 1-3/4" to 2-1/4" thick

EASY INSTALLATION & SECURE LOCKING: the pet door comes with easy-to-follow instructions and a heavy-duty locking cover, strong as 1/16" steel sheet, ensuring secure closure when not in use; ideal for interior and exterior door installations

ADAPTABLE TO YOUR PET'S NEEDS: the three-sided magnet design of the Endura Flap pet door is adjustable for training timid pets, while providing the strength you need to keep the wind out flaps are rated to stay shut in gusts of up to 50 mph

BUILT FOR LIFE: our pet doors are manufactured in the USA with quality construction and backed by a lifetime warranty; invest in a reliable, long-lasting pet door that will serve your pet's needs for years to come