Weatherproof Dog Door with Double Sliding Lock Panel, Energy Efficient Rugged Aluminum Large Dog Door, Easy Installation, Magnetic Flap Heavy Duty Dog Door for Dogs Up to 100lbs

【MAXIMUM FREEDOM FOR PETS】Whether to enjoy sunny by themselves, or arrange for potty breaks, the Mavricflex dog door will give your pet freedom and security to have access to the outside of the house on their will, thus can significantly reduce the level of anxiety of your pets.
【DIMENSION & TELESCOPING WIDTH】Mavricflex aluminum dog door frame size is 14 3/8”(W) x 20 3/8”(H), Cutting size is 12 5/8”(W) x 18 1/2”(H), Flap opening is 11 1/8”(W) x 16 3/8”(H). It fits paneled, wood, PVC, and metal doors 1 /4” – 2 1/2” thick, and is designed for pets up to 100 pounds.
【Sturdy & Energy-Saving】Mavricflex large dog doors are made out of durable new aviation aluminum alloy material that is proven to be sturdy and stainless. Don’t worry about breaking and being bitten easily. Additionally added exterior slide-in locking panels to better protect your home from extreme weather and reduce energy loss.
【EASY INSTALLATION】Mavricflex pet door is easily be installed on all types of doors; a cut-out template and step-by-step instructions are included, and simple-to-follow instructions walk you through the installation.
【LIFETIME GUARANTEE】Customer satisfaction has always been our top priority. Mavricflex offers lifetime free customer service. We will replace missing parts or broken parts of the aluminum dog doors caused by the manufacturer at no charge on your side.