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A through wall cat flap is a great method to allow your pets to leave and come whenever they like. However, you should be careful not to install it too high in the wall. This could result in the loss of energy and also allow burglars to gain entry into your home. Also, if you are planning to sell your home in the future and you have an opening in your cavity wall could be an issue for prospective buyers. Glass cat doors are a much safer alternative. Easy to install A through wall cat flap is a great option to allow your c