1. Sediments Pre-filter 5 Microns that removes suspended impurities from inlet water. 2. Active Carbon Pre-filter which removes chemical impurities like chlorine. 3. Extrudes carbon pre-filter which removes bad taste, colour and odour. 4. RO membrane that removes bactria, virus, hardness etc. 5. Post carbon filter and polisher that improves the taste of the water. 6. High performance Liquatec sediment & carbon pre and post-filters 7. Easy under-sink installation 8. Low annual maintenance costs 9. Eliminates the cost & hassle of bottled water 10.Space-saving compact design 11.Double o-ring design on pre-filter housings 12.Features automatic shut-off valve when tank is full.