The Ceramus® classic fix series, manufactured by Hirschmann®, utilized as a bottle top dispenser that includes a configurated volume that is fixed, and is certified conformity. It comes with a piston made in ceramic material which is ideal for an up to 121°C sterilizing steam in a 32 mm complete delivery of a screw thread and 3 threaded adapters (A 28, S 40, A 45).