The PetSafe® Extreme Weather Aluminium Pet Door™ will keep your home energy-efficient in any climate. The unique 3-flap system is adjustable and flexible, and has a magnetic seal to keep the weather outside where it belongs. For added protection, the centre flap is fully insulated. The metal frame has reinforced aluminium corners and is built to handle active and multi-pet households. Use the slide-in closing panel to control your pet’s access outside and keep stray animals out of your home. The door easily fits into panelled, wood, PVC and metal doors 3.75–5 cm thick and installation is a DIY project. Choose from 3 sizes for pets weighing up to 100 kilograms. PetSafe® brand is here to help you and your pet to live happy together™. Key Features • Most energy-efficient - Our unique 3-flap system protects your home in hot or cold climates; adjustable, flexible flaps have a magnetic seal for added protection • Additional insulation - The centre insulated flap helps keep extreme warm and cool air outside of your home • Built to last - The durable metal frame with its reinforced aluminium corners is built to handle active and multi-pet households • Controlled pet access - Use the slide-in closing panel to control your pet’s access to the outdoors and keep stray animals out of your home • Do-it-yourself installation - Easily fits into panelled, wood, PVC and metal doors 3.75–5 cm thick System Includes • Closing panel • Interior frame • Exterior frame • Cutting template • Screw sleeves • Nylon screws • Metal Screws Size Flap Pet Weight Opening Size Cut-Out Size Outer Frame Size Large Up to 100lb 10 1/4in x 16 1/4in 11 1/16in x 17 7/8in 12 3/4in x 19 5/8in