Do you ever drink water from LifeStraw Personal water filter yet? Many people still doubt about the function of this water filter since its debut several years ago. Meanwhile, many scientists have been proving that it is safe and almost a hundred percent removing bacteria and virus from our water. We do not have to use super modern technology to save people in this world, right? Even a simple technology like LifeStraw can save people from diarrhea, cholera and other sickness which come from our drinks. We gravelstuff.com have summarized how this technology works in this post. Hope you change your mind after reading it all.