Filtration unit comprises of a circulation pump, filter battery comprises of one to four cartridge filters depending on the size of a bathtub. The filter battery is outfitted with a bypass system which allows water filtration even in case of congestion of one of the filters.

Evenly flowed cartridge filters assure premium water bath cleanness. Automatic circulation pumps are energy saving and highly effective. Owing to a stand-by mode with low energy intensity the whirlpool bath is always ready to use.