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If you want to allow your pet to move around as they please without having to open the door, you can install an animal flap. However, you must employ a licensed professional to do so. They will navigate the complexity of fitting different types of cat flaps onto different doors and walls. Installation A cat flap lets your pet to enter and exit the house as they please without having to open the door or window for them. There are a variety of pet flaps available that range from microchip-reading doors to fully insulat