Make the purest alkaline water with your own home system. Great in the kitchen: Improve the taste of your cooking, coffee, ice and drinks. Experience true UV Reverse Osmosis purification and sterilization. Safe filtered fresh tasting H2O: Removes up to 99.99% of contaminants including Lead, Chlorine, Fluoride, Cyanide, Giardia, Radium, Asbestos, Calcite, Heavy Metal, Bacteria, Viruses, Pharmaceuticals and other major contaminants. Get setup fast with our Quick Connect tubing system. The UV light is equipped with a warning tone that will alert you when the power of the UV falls below the germicidal range. Includes fast flow faucet with 0.8 GPM delivery. Best for house, apartment, residential, well water, industrial, rv, machine and office uses. Certified by an independent laboratory to NSF standard 58. Comes with 4 gal. (3.2 gal. water capacity) storage tank. Includes all filters needed for setup and first 6 months. Can be installed under sink, in a basement or other remote locations. For every gal. of water produced the system discharges between one and 3 gal. The system is compatible with 3/8 in. and 1/2 in. under sink connections. Operates on 40-80 PSI water pressure. The water is cleaner and more convenient than any pitcher, faucet filter or countertop systems. Express Water's 11-Stage Reverse Osmosis Alkaline Ultraviolet Water Filtration System ROALKUV10M is the complete solution for your drinking water.