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If you're looking for a way to let your pet in and out without having to worry about them leaving unwanted "gifts" in the house, then consider getting a upvc door panel with cat flaps. This is less expensive than replacing the whole door and is easier to put in. It is possible to put a cat flap on your own uPVC doors however, it's an extremely difficult task that can lead to costly errors. Easy to install It is essential to l