Perspectives are different frameworks from which to explore the knowledge around sustainable sanitation and water management. Perspectives are like filters: they compile and structure the information that relate to a given focus theme, region or context. This allows you to quickly navigate to the content of your particular interest while promoting the holistic understanding of sustainable sanitation and water management.
A short factsheet on slow sand filtration provides information on more technical aspects of slow sand filtration.
NDWC (2000): Slow Sand Filtration. Tech Brief. (= A National Drinking Water Clearinghouse Fact Sheet ). Morgantown: National Drinking Water Clearinghouse (NDWC) URL [Accessed: 06.02.2012]