A stainless-steel disk, that hides a hydro-progressive cartridge and that, with its rotation, opens the water supply and regulates the temperature. Mixers for washbasins and bidet, which include water-saving aerator filters of 5 lt/min, integrate the 360° swivelling spout. In addition to the classic finishes in stainless-steel AISI 316L, the ROUND collection is available also in Carbon Black, Gold Satin and Pink Gold Satin.