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A cat flap is a tiny door that allows your pet to enter and leave the home as they like. It can be put into doors, windows and even walls. It can be opened by pushing through a section of its body. Microchip cat flaps recognize your cat's unique microchip and unlock the door. Infrared and magnetic cat flaps require your cat to wear a collar equipped with an infrared or magnet device that activates them. What is a cat flap? A cat flap is a opening in an opening