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Let your cat enter and leave your home independently by using the cat flap. This allows your pet to move freely and promotes exercise. It also prevents obesity and reduces boredom. Taskers can put cat flaps into wooden or uPVC doors Some also work with wall installations. They start by marking the location of the door and drilling around the corners of the door. How to install lets your cat to go outside without having to open windows or doors. This is helpful if you're working late, or if you're worried about your cat being on its own for exte