New, reusable filter cleans 99% of heavy metals from contaminated water. 1 gram has the potential to treat 83,000 liters of contaminated water down to WHO limits which would be sufficient for 11,000 people.

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New, reusable filter cleans 99% of heavy metals from contaminated water. 1 gram has the potential to treat 83,000 liters of contaminated water down to WHO limits which would be sufficient for 11,000 people.