The Balrama Digital TDS EC Meter Water Purity Tester RO Prefilter 10 is a TDS EC Meter and Prefilter designed for RO+UV+UF water purifier systems commonly used in Indian homes. Key features: Digital TDS and EC Measurement, 5 Micron PP Spun Filter. TDS and EC measurement, 5-micron sediment filtration, washable PP spun filter. Package includes: 1 TDS EC Meter, 1 10" PP Spun Filter Candle. Rated for 230 V AC, 50 Hz at 60 W. Rated capacity: 18000 L. Operating pressure range: 0.3 to 3.0 kg/cm2. Temperature range: 10 Degrees Celsius to 40 Degrees Celsius. Built from Plastic for durability. Manufactured in India with 1 Year warranty coverage.