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A cat flap is a door that allows your pet to go in and out of the house whenever they want. It can be placed in doors, windows and even in walls. It is opened when your cat pushes the body part through it. Microchip cat flaps recognize your cat's unique microchip to unlock the door. Magnet and infrared cat flaps require your cat to wear a collar that has an infrared or magnet device that activates the flaps. What is a fla
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