It typically contains layers of sand, gravel, and activated carbon to remove suspended solids, dust, rust, chlorine, and organic matter from the raw water.It traps larger particles to prevent premature clogging and damage to the downstream delicate RO membranes.The black control unit at the very top manages water flow directions for service, backwashing (cleaning the filter media), and rinsing. FOR ENQUIRY : 9600441999, 9600444464

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