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Cat flaps let your pet move around as they please without you needing to let him in or out. They can also help keep your cat from having to go to the bathroom in the house. It is easier to install the cat flap on a Upvc panel than one made of glass, but you will require some expertise and right tools. Take a measurement of the door Fitting a cat door in a front door could be difficult however, provided that the cat flap is of the correct one and you follow the directions you can make it less difficult. We will show you how to mark the shape a