Filters are useful to separate particles as smaller than clay, protozoa, and maybe some bacteria, but has no effect to all bacteria and viruses, where disinfectant chemicals (or radiation) are needed, that's why we are looking for alternatives to. Thanks for your opinion.

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Filters are useful to separate particles as smaller than clay, protozoa, and maybe some bacteria, but has no effect to all bacteria and viruses, where disinfectant chemicals (or radiation) are needed, that's why we are looking for alternatives to.

Thanks for your opinion.