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A cat flap is a small door that allows your pet to enter and leave the house as they like. It can be put into windows, doors and even walls. It opens when a cat pushes through a portion of its body. Microchip cat flaps open the door by the chip of your cat's. Magnet and infrared cat flaps require your cat to wear a collar equipped with a magnet or infrared device that activates the flaps. What is a cat flap? A cat flap is an opening in an opening or window that allows your