The RO membrane removes dissolved salts, heavy metals, and contaminants, reducing TDS from raw levels to safe drinking standards. The 7-stage system ensures multi-layer protection across sediment, chemical, and microbial contaminants. Rated to handle source TDS up to 2000 PPM, suitable for both municipal and borewell water sources. Internal voltage regulation at 24 V DC protects components from mains fluctuations.