Aluminum-framed pet door designed for walls up to 2-10" thick Single or double flap options for varying climates and insulation needs Available in 4 frame colors to complement your home's interior and exterior Lightweight flap(s) with appropriate magnet strength for pets of different sizes Comes with a color-matching locking cover for added security (available side loading locking cover) Trim to fit wall tunnel comes in a standard (2" - 10") to fit most wall thicknesses or see Hale Pet Doors for Walls (with extra-long tunnel) Experience the perfect balance of convenience and insulation with the Hale Pet Doors for Walls. These premium pet doors are designed to withstand harsh weather conditions while providing your pets with the freedom to move in and out of your home as they please. With an aluminum frame and a clear vinyl flap lined with fuzzy, nylon weather stripping, the Hale Pet Doors for Walls offer optimal insulation and energy efficiency. Choose between single or double flap options depending on your climate and insulation needs. Available in four frame colors (White, Arizona Beige, Black, and Brushed Aluminum), these pet doors seamlessly blend with both the interior and exterior of your home. The lightweight flap(s) and appropriate magnet strength make it easy for pets of varying sizes to share a larger door, while the color-matching locking cover ensures added security when needed. Installation is made simple with the included detailed instructions, and the trim-to-fit wall tunnel suits most wall thicknesses. The Hale Pet Doors for Walls come with a 10-year limited warranty, giving you peace of mind in your investment. Invest in the Hale Pet Doors for Walls to give your pets the freedom they deserve while keeping your home insulated and energy-efficient. Looking for something else? Check out our full selection to find your perfect extreme weather or in wall dog door. For cat lovers, check out our interior cat flaps.  Features: Sturdy, extruded aluminum frame construction for long-lasting durability Fuzzy, nylon weather stripping lining the flap for increased insulation and energy efficiency Clear vinyl flaps with magnets to keep the door shut when not in use Wide range of sizes to accommodate cats, small dogs, and large dogs alike Comprehensive installation guide and a 10-year limited warranty included Magnets line the flap edges to keep the door shut when not in use. <a href="https://www.petdoors.com/products/hale-magnet...