Generic 16 Litres Stand Alone Water Purifier

Filtration: Filtration uses a physical barrier to remove contaminants from water. The size of the pores in the filter determines what size contaminants can be removed. Disinfection: Disinfection uses chemicals or ultraviolet light to kill bacteria and other microorganisms in water. Reverse osmosis: Reverse osmosis uses a semipermeable membrane to remove dissolved solids and other contaminants from water.