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'puricup' is water furifier. but you can use it just like a cup.(easy & compact) same size! same way! it's good for who doesn't have a much money to buy a mineral water or expensive water purifier.(simple & cheap) For example, african who drink polluted water. Just pun the 'puricup' in a cup! Scoop water with the cup and drink! If color of indicator change to white from blue, you have to replace it for perfect working.
Daegu, South Korea
Choi, Young Sam
Gyeongsan-si, Gyeongbuk, South Korea