The sand filter serves to retain the coarser impurities contained in the sea water.
This filter contains quartz sand in 3 different layers and dimensions, the sand contained in the filter has a duration of at least 5 years and the only maintenance that needs to be done is a counter-current washing at least once a week.
MC20 – 30 – 40
NOTE: Sand filter is suitable for one watermaker. In the case of the duplex watermaker two sand filters will be required.