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A upvc door panel cat flap is a great option to let your cat leave and come whenever they want. It's a simple three-step installation process and can be installed on wooden doors, glass doors or UPVC panels. This is an excellent option for those who wish to secure their pets and save money on energy. UPVC panels are durable and can resist moisture, heat and UV. Easy to install If you have a cat, you might want to think about installing a pet flap