APLOS Angel Direct Flow Reverse Osmosis System Direct Flow, Reverse Osmosis Drinking Water System, 2160 Litres Per Day INSTALLATION & USE APLOS Angel is one of the newest drinking water purifiers, with a compact, slim design, 4 stage filtration, large capacity, direct flow (i.e., no storage tank) system, that produces minimum amount of wastewater. Colour indicators embedded in the operation panel help monitor the remaining filter lifespan, warning when replacement is required.The system utilizes advanced reverse osmosis technology to purify water. It relies on the artificial reversal of the naturally occurring osmosis process. The reverse osmosis membrane with a pore size of 0.0001 micron (0.1 nm), can significantly improve the quality of your tap water by effectively reducing bacteria, viruses, heavy metals, pesticide residue, lead, fluoride, and other harmful substances. Produced water is fresh, pure, and suitable for direct use. Benefits and Uses 4 stages with 2 filtersTanklessUlt