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Pureit purification system is a compact drinking water treatment product suitable for household use. It is developed by the Hindustan Unilever. The core of this system is its unique Germkill Battery Kit which consists of the Compact carbon trap, Germkill processor, and Polisher (shown in the figure). Each of these kits performs a certain treatment method.

==Construction, operations and maintenance==

Firstly, water is poured to the system passing through the micro-fibre mesh which removes visible dirt. Furthermore, the compact carbon trap will remove additional dirt, some parasites and some pesticides. The water then flows into the germkill processor which uses a ‘sustained release chlorine technology’ to kill harmful bacteria and viruses. Finally, the water passes through the polisher which removes odour and improves water clarity.