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A cat flap that is through the wall is a great option to let your pet leave and come whenever they like. You must be careful not to put it too high into the wall. This can lead to energy loss and also the possibility of burglars gaining access to your home. A gap in a cavity can be a challenge for future owners if you intend to sell your house. Glass cat doors are a safer choice. Easy to install A cat flap that is built into the wall allows your cat to come or go as it pleases. There are a variety of models ava