The 5-filtered reverse osmosis system (RO) is specialized for your home's drinking water. This system is designed to remove up to 100% of harmful elements such as bacteria, lead, pesticides, and chemicals that can pose serious health risks to your family. Specific for kitchen use, the RO is a specialized tank that filters your home's water reserves. Our drinking water uses a combination of filtration technologies to reduce unwanted contaminants in a water supply. The following steps combine to give you the best in clear, sparkling drinking water.