Global Water ROPH9 10-Stage ALKALINE Reverse Osmosis System Drinking Water Quality - 24hour USA Tech Support - Plus Extra Set of 4 Filters for FREE 10-Stage ALKALINE PH+ filtration system helps increasing PH levels in your body for healthier life. Removes up to 99% of Contaminants such as chlorine, lead, bacteria, arsenic, fluoride, and other contaminants with high quality of filters. Provides your body with the most important elements such as Calcium, Iron, Magnesium, Potassium, sodium, etc. System is tested and guaranteed for long lasting, with 24 HOUR USA customer service 100% LEAD FREE faucet & steel tank complies with NSF/ANSI standard 58 to provide healthy, safe, and pure water.