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There are many different cat door options that can fit inside your sliding patio doors, based on your preferences and security requirements. Choose from manual and electronic cat flaps that allow your pet to enter while keeping unwanted critters out. Airtasker lets you hire a Tasker for the installation of your pet door by submitting an easy request. Just answer a few questions about your project and keep an eye out for offers. Cost The cost of installing a cat flap i