HARDLIGHT Weatherproof Dog Door with Sliding Lock Panel, Tunnel Adjustable, Magnetic Flap Dog Door and Cat Door, Strong…

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【FLEXIBLE SIZE】 Fits paneled, wood, PVC and metal doors 0” – 2.76” thick, and is designed for pets up to 40 pounds. External size: 11.22”(W) x 15.63”(H), Flap Opening is 8.74”(W) x 12.52”(H)
【ALUMINUM FRAME】 HARDLIGHT dog doors for large dogs are created from Durable Sturdy Aluminum material that may be proven to be sturdy and stainless. Do not be concerned about breaking and bitten easily
【ENERGY SAVING】Magnetic Flaps designed to enable the door plate to quickly reset after being lifted. Perfect for cold and hot climates toughen energy efficiency and lend a hand offer protection to against extreme weather
【SECURITY LOCKING】A locking panel is included in a big dog door, which can not only double offer protection to the security of the home but also reduce heat transfer in rough weather, and keep other unwanted visitors out of the house
【EASY INSTALLATION】HARDLIGHT Pet Door may also be easily installed with the provided cutting template and installation guide. No wish to plan your schedule around potty breaks, your four-legged friends can come and go on their time