Learning About Filters

Families in Cambodia use something called a “Biosand Water Filter” to ensure that the water at their home is safe to drink.

Learn about how filters work. Teach Engineering has a full water filter curriculum available for free online here. A simpler lesson instruction can be found at KidPointz here.

CWEF partners with communities and ClearCambodia to use Biosand filters to ensure the quality of the water they use at home and drastically improve the health outcomes for family members.

Water For Cambodia includes a great diagram of the filter design.

This video from the World Bank Water and Sanitation Program (wsp) demonstrates the situation in Cambodia and the benefits of the Biosand Water Filter.

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