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A through-wall cat flap allows your pets to come in and out whenever they like. However, you should be cautious not to put it too high in the wall. This could result in the loss of energy and also allow burglars to gain entry into your home. Additionally, if you're planning to sell your house in the near future, having an opening in a cavity wall could be an issue for prospective buyers. Cat doors made of glass are a safer alternative. Easy to install A wall-to-wall cat flap is a great way to let your cat move