Merlin Matrix Copper Water Purifier uses advanced filtration technology to provide clean and safe drinking water. The system is designed to remove various contaminants from water, such as bacteria, viruses, protozoa, and other impurities. The Merlin water purifier uses a multi-stage filtration process that includes a pre-filter, sediment filter, activated carbon filter, and reverse osmosis membrane. Some models also come with post-filters to further enhance the quality of the water. Merlin Planet Copper  Water Purifier comes with 7 stages and has a storage capacity of 12 Liters and a Purification capacity of 15 liters.