This is a magnified image of the Pall microfilter membrane with 0.2µm pore size, it removes all bacteria and parasites.
Giardia: size 12-15 μm causes violent diarrhea, excess gas, stomach or abdominal cramps, upset stomach and nausea.
Escherichia coli: size ca. 3μm causes diarrhea and is a marker for the presence of fecal pollution in the water.
Cholera: size 1.5μm, causes large amounts of watery diarrhea, vomiting and muscle cramps. Diarrhea can be so severe that it leads within hours to severe dehydration and electrolyte imbalance.
and many more...
Water born disease is a global burden and causes 1.8 million deaths a year. The Pall bacteria filter takes out all bacteria, parasites and protozoa. This gives a brighter and healthier future to orphans in Cambodia.