https://pattern-wiki.win/wiki/....Cat_Flap_Fitters_Nea
A through wall cat flap is a great method to let your pet come and go as they please. But, you should be cautious not to put it too high in the wall. This could result in energy loss and also the possibility of burglars entering your home. If you are planning to sell your house in the future and you have an opening in a cavity wall could be an issue for prospective buyers. Glass cat doors are a much safer alternative. Easy to install A wall-to-wall cat flap is a great method to allow your cat to leave and come back whenever it want