This Underground Bottle Gully Back Inlet including Round Drain Grid Black 110mm is a robust and efficient drainage solution specifically designed to provide high capacity water flow. With its back inlet design, it allows for a direct connection from rainwater pipes into the underground drainage system. Constructed from durable black plastic, it comes with a round drain grid that can be easily fitted and removed for maintenance purposes. Its 110mm diameter ensures compatibility with most standard size fittings, making it an ideal choice for both domestic and commercial applications.