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://soaringline20.bloguerosa.com/35941144/top-ro-service-near-me-secrets-you-should-know-more-about-it