The plastic tanks for rainwater type AquaFlow AQF are available in different versions and volumes. The tanks are characterized by their sturdy constructional features and handles for easy installation. The plastic indoor tanks are standard equipped with a childproof lid of 240 mm diameter. The types AQF 570 and 690 are also equipped with a number of additional connections. These rainwater tanks are therefore often used in specific applications such as hot water, rainwater, greywater, heat storage and disconnect tanks with built-in pumps. Specific customer requirements such as an extra wide lid of 540 mm or additional connections are possible. The AQF rainwater tanks can be connected so that a large buffering volume for rainwater can be created with several rainwater tanks.