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A through wall cat flap is a great way to allow your pets to come and go as they please. Be careful to not install it too high in the wall. This can lead to energy loss and the risk of burglars breaking into your home. Also, if you are planning to sell your home in the near future and you have a hole in a cavity wall could be an issue for the new owners. Glass cat doors are a safer choice. Easy to install A wall-to-wall cat flap is a great option to allow your cat to leave and come back at will. It's easy to