Keep your drinking water clean and safe with the Hydro Guard™ HDG-45 Series 反渗透系统. It reduces the levels of lead, 硝酸盐, 囊肿(隐孢子虫, 贾第虫属), 砷, 钠, and other contaminants commonly found in unfiltered tap water. The easy-to-install system offers you quality water at your fingertips 24 hours a day, 一周7天, 一年365天. Hydro Guard Quick and Easy SM Cartridges make filter changes fast, convenient and sanitary. Your family, friends, and pets will love the taste and enjoy all the benefits of healthy water.