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A cat flap made of UPVC lets your cats go and go at their own pace. It's a simple three-step installation process and can be fitted into glass doors, wooden doors or UPVC panels. This is a great option for pet owners who want to secure their pets and save money on energy. UPVC panels are resistant to heat, moisture, and UV. Easy to install Installing a pet flap on your glass door or glass panel is an excellent idea if you have a cat