... metals, colloids, organics and so on, and adjust the taste of water. Ensure that fresh water, and always drink fresh, pure water and cheap. The rate of ... odor,residual chlorine,bacteriostasis,adjust the water taste,prevent from the second pollution,and making the water healthier safer(one year)E: ... control system 1 piece9.Dust cover 1 piece SRRO-100 GPD RO SYSTEM WATER PURIFIER FOR COMMERCIAL USE