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A cat flap made of UPVC lets your cats leave and come whenever they want to. It is a simple 3-step installation procedure that can be installed on glass doors, wooden doors or UPVC panels. It is a great option for pet owners who want to ensure their pets are safe and also save money on energy. UPVC panels are durable and can withstand heat, UV and moisture. Easy to install If you have a cat you might want to think about installing a pet flap in your door or glass panel.