LSA Code 4.1.5.1.19 requires the watertight receptacles containing a total of 1.5 liters of fresh water for each person the liferaft is permitted to accommodate. Of which either 0.5 liter per person may be replaced by a desalting apparatus capable of producing an equal amount of fresh water in 2 days, or 1 liters per person may be replaced by a manually powered reverse osmosis desalinator capable of producing an equal amount of fresh water in 2 days; An emergency desalinator, which produces enough water up to 2.0 litres per hour. *Desalination degree : more than 95%, eliminating bacteria or virus *Optimum pump frequency: 40 pumps per minute. *Weighs only 1.6 kgs.