The Last Well and Sawyer, Inc. engaged in a 5-year, border-to-border clean water project in Liberia. Through this work, approximately 100,000 Sawyer PointOne filters were distributed to households in small and/or remote villages. Households that received the filters were surveyed upon receipt of the filters, after approximately 2 weeks, and after 8 weeks. This data was analyzed independently by researchers at Calvin University in Grand Rapids, Michigan.
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