https://click4r.com/posts/g/18....360210/cat-flap-inst
https://yamcode.com/how-to-install-a-cat-flap-51
https://articlescad.com/upvc-d....oor-panels-with-cat-
Cats enjoy watching out of windows. This is sometimes called cat TV. It's an instinctual and entertainment activity that is usually an aspect of hunting. Glass window inserts that have the cat flap can be fitted to doors or windows. can also be made into double glazing. Easy to Fit Cat flaps are fitted to all types of glass doors and windows, including single glazing, do