Filtered water in every tap Protection from hard water, sand & sediments Fits on the main plumbing line Suitable for 1 bathroom / 1 BHK 100,000 litres capacity Fight the hard water at the point of entry to your home. Installed on the main plumbing line, the RIO Main Line Filter eliminates hard water salts & sediments from your water. With a replaceable cartridge that lasts up to 9 months, the RIO is a must-have in your home to fight hard water.