https://postheaven.net/tanklyr....e33/installing-a-upv
Installing a cat flap onto a door allows your pet to come and go when it wants. Follow these steps to understand how to draw the shape, and then use a jigsaw or hole saw to cut it, and then install your cat flap. If your cat flap has a manual 4-Way lock, you can limit access to wild animals, pests and strays. You can also keep some pots of plants for your cat to nestle in. Placement A cat flap can be used to keep animals that aren't wanted out such as rodents or cats. Some models let you close them so that you can