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If you have a cat or dog, installing a pet flap in your French or patio doors is a great idea. It makes it easier for them to get into and out without having to open the door. There are several cat flaps available designed to fit into uPVC or composite doors as well as wooden doors. Some have a four way locking system that can be set for exit only or in-only. Installation Cat flaps are a great method to let your cat into and out of your home without opening the front door each time. This is particularly beneficial when y