Feed water in large quantities For those applications needing considerable quantities of high-quality feed water, e.g. for the final rinse in the case of MELAtherm or to supply several devices. Delivery includes two high quality 20 litre containers filled with renewable resin, one of which is connected to the MELAtherm or to the autoclave. If the first container is consumed, it is returned for refilling, while the second container comes into use. The capacity of a cartridge is sufficient for producing around 2,800 litres of high quality, demineralised water with average hardness of tap water.