HANIML Dog Door with Double Opening Panels Heavy Duty Aluminum Doggy Door for Medium Large Dogs Weatherproof and Energy Efficient with Magnetic Pets Door for Exterior Door

?Say Good by to Fragile Flaps?: This Medium aluminum dog door adapts double opening panels design. It has good performance for cold or extreme hot weather compared to ordinary flaps.

?Designed for Large Dogs?: Product Size: 17.32 H*13.78W*2.44 D inch, the size of the opening panel: 14.1 H*8.78 W inch. Please measure the width and height of your dog to make sure that the pet door is suitable for your dogs.

?Lockable Panel for Home Security?: HANIML Pets Door comes with Lockable Panel: keep home safe, control the passing time of pets access, and prevent wild animals from entering to ensure family safety.

?Energy Efficient?: Each panel has 2 locking pins, you can lock them in windy and rainy days, providing weatherproof and energy efficient in extreme weather.

?Durability and Long Lasting?: The doggy door is made of high quality aluminum, no rust, no corrosion, which is strong and durable enough for interior or exterior wood, metal ,PVC doors.

?Freedom and Independence?: The double opening panels have 4pcs strong magnetic and highly flexible springs, which allows the dog to enter and exit independently and automatically returns after the dog passing- Free them in garden and house by themselves.

?Easy Installation?: The large dog door comes with guide line which shows cutout size template, you can directly compare it to cut the door which is easy to operate, no worry about installation difficulties.