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If you want to allow your pet to go and come as they please without having to open the door, you can put in an animal flap. But, it is recommended to engage a professional who is vetted to install it. They can take care of fitting different kinds of cat flaps to different walls and doors. Installation With a cat flap, your pet is able to enter and leave the house at will, without needing to open the door. The variety of pet flaps available on market is extensive, ranging from bite-proof and microchip readi