The 3P Calmed Inlet ensures a calm inflow of rainwater within the storage tank. rain- water. The calmed inflow of water prevents the sediment layer from being stirred up, and at the same time oxygen is supplied to the lower part of the stored water. The water remains fresh. At the same time, the round shape of the 3P Calmed Inlet DN 150 stabilizes the installation of the entire filter system.
