Extreme Weather Aluminum Dog Door for External Door Mounting - Heavy Duty Frame with Magnetic Seal Closure and Locking Security Panel - Medium

Single Flap Rugged Aluminum Alloy Dog Doors Tough construction – All our dog door frames are made of pure grade aluminum. It makes a great compliment to your existing exterior door. The aluminum also does not wear out in the cold, wind, or rain. Our frames are guaranteed to last. A reliable but flexible dog door – All our dog doors are made of polyolefin-based polymer. This material is often used in food storage, including many reusable water bottles. So, you know it is completely non-toxic and safe to be in contact with your dog. The material also is recyclable and stays flexible even in cold temperatures. Your dog will never struggle to try pushing a frozen dog door again. A sliding security panel for your peace of mind – Our sliding security panel means you’ll be able to lock the dog door tight and not worry about unwanted guests coming in. It’s excellent for providing you security at night or when you’ll be away from the house for extended periods. Slide the panel in and lock the two side tabs. Easy installation – Our dog doors are straightforward to install. Only a few tools will be necessary, and installation can be done in under an hour. Medium: Entry / Flap - 8 3/4″ Wide x 12 1/2″ High Overall - 12 1/16″ Wide x 16 7/16″ High (from 1 1/4″ to 2 1/4″ deep)