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A cat flap that runs through the wall allows your pet to go in and out whenever they like. Be sure to not install it too high into the wall. This could lead to energy loss and the possibility of burglars entering your home. If you are planning to sell your home in the near future having an opening in your cavity wall could be an issue for new owners. Glass cat doors are a safer alternative. Easy to install A wall-to-wall cat flap lets your cat to come or go as it pleases. It's simple to set up, and there are several models availa