https://world-news.wiki/wiki/R....eplacement_UPVC_Door
With a cat flap you can let your cat go in and out of your home on their own. This allows your pet to move freely and promotes exercise. It also helps prevent obesity and relieves boredom. Taskers can install cat flaps on wooden or uPVC doors, and some also can be used with wall installations. They start by marking the location of the door and drilling around the corners of the door. How do you install a cat flap A cat flap lets your pet to go outside without you having to open a door or window. This is a great opt