Hello friends I bought this 4mounth ago.Tata Swach Silver Boost comes with highest in-class purified water storage capacity of 14 Litres. Its Silver Nanotechnology and MF membrane technology protects your family from waterborne disease causing harmful Bacteria, Viruses, Cysts, Protozoa, Algae, Fungi, Rust, Metal Particles, Giardia and Turbidity.
No electricity required.In which three stages of purification.first stage is Advanced Pre Filter second is Advanced Silver Nano technology and third is MF Membrane.it is very good to health.