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A cat flap that is through the wall is a great way to allow your pets to come and go as they please. Be sure not to put it too high into the wall. This could result in energy loss and the possibility of burglars gaining access to your home. A gap in a cavity could be a problem for future owners if you intend to sell your home. Glass cat doors are an alternative that is safer. Easy to install A through wall cat flap is a great way to let your cat come and go as it pleases. It's easy to put up and there are many models ava
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