This intermittent slow sand filter is about the size of an office water cooler, constructed of concrete and plastic pipe, and filled with multiple grades of sand and gravel.
Primary Function: To provide safe drinking water while taking into consideration cost, reliability, power, location, simplicity, and availability.
Targeted Beneficiaries: Families and communities in developing countries.
Need Addressed: Water purification.
Uniqueness: This low-cost filter has no moving parts, requires no external power or sunlight, is effective in intermittent usage, and can be constructed in-country with locally available materials.
Dimensions: Unknown
User Requirements: As polluted water is poured into the container through a diffuser plate that controls the rate of flow, clean water that has traveled through the sand filtration process exits the pipe into a clean water receptacle.
Resources: The Right Technology
Approximate Cost: $150 for Pure Water's package of services that includes: the filter body, diffuser and cover, two buckets, installation, sanitation and hygiene education, monitoring, and a parasite treatment for each household member
Geographic Coverage: El Salvador, Honduras, Haiti. Future projects planned in Guatemala and Dominican Republic.
Distributor: Pure Water for the World
Primary Contacts: http://purewaterfortheworld.org/contact-us.html
Languages Spoken: English
Phone Number: 802-747-0778
Physical Address: P.O. Box 55, Rutland, VT 05702 USA.
Website: http://purewaterfortheworld.org
Other Information and Links: www.youtube.com/watch?v=MAU5h___nKM
This intermittent slow sand filter is about the size of an office water cooler, constructed of concrete and plastic pipe, and filled with multiple grades of sand and gravel.
