1 Sediment Pre Filter Removes Suspended Impurities like Sand, Dirt, Rust particles up to 5 Mis. 2 Inline Sediment Filter Removes Chemical Smell, Residual Chlorine & Color. 3 Inline Pre Carbon Filter Removes E- Coil Bacteria 4 High Pressure Pump Boost pressure of filtered water up to 60-120 Psi 5 R.O. Membrane Removes the Microbiological impurities & rejection of TDS level 6 Post Carbon Maintain test & odor. 7 Float Switch Stops the system when tank is full