It isn’t also possible to drink tap water directly in the Philippines like many countries.
One day my friend had trouble with denguein the Philippines on some days, it was helped by a local person.
『I’d like to enable to drink tap water.』
Technical development has started with the project which would like to change polluted tap water to safe water for this product.
Even if medicine and a complicated machine aren’t used, the ceramic ball which can just put it in tap water and sterilize bacteria has been completed.