Every year, millions of children die of water-borne diseases. In fact, diarrhea is the second leading cause of mortality for children below five years old. It is because 780 million people globally still drink contaminated water due to lack access to improved water sources. For this reason, many people prefer to install water purifier at their home nowadays. It is like having your own water refilling station to ensure that you only drink pure and safe water no matter how contaminated your water source is.