RO purification technology provides purification by RO combined with Added minerals + Carbon + Sediments filter. The carbon and sediments filter remove both suspended and chemical impurities such as chlorine, pesticides and various organic chemicals. It's state-of-the-art Alkaline filter and RO Membrane collectively purify water while the Alkaline filter maintains the pH level as well as minerals essential for human body. Stage Description (Stage 1) 5 Micron Sediment Filter : (Stage 2) :Pre Antiscalent Chamber .$ (Stage 3) Sediment Filter (Stage4 ) 100 Gpd Booster Pump .$ (Stage 5 ) Solenoid Valve (Stage 6 ) Carbon Filter .$ (Stage7 ) Uv (Ultra Violet Chamber) (Stage8 ) Tds Controller .$ (Stage9 ) Mineral Cartiage Which Is 4 Stage (9+4)13 Stage .$ (Stage 14 )