Reliable Water Purifier Repair and RO Service in Kolkata at Affordable Rates Access to pure drinking water is a basic necessity, especially for households in urban areas. In Kolkata, where water quality can vary, owning a water purifier has become a must. Most homes depend on RO (Reverse Osmosis) systems https://vividportal096.bloguetechno.com/detailed-notes-on-water-purifier-service-near-me-that-discussed-on-social-media-72409605