Automatic water in/out cycle control Ocean Evolution toilet. Thanks to the new pump the toilet is silent as the depression toilets. Very low water consumption. Complete with soft closing hinges seat and control panel. The macerator pump allows the d rainage of waste up to 4 meters in height and 40 meters in distance and is complete with duck non-return valve that prevents any return. Discharging occurs with 360° orientable 38 mm (1"1/2) adjustable to 25 mm (1") port connection.