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Produced by Aqueous Solutions, this simple booklet provides a clear overview of the Biosand Water Filtration System (2000L per day) and how to build and use it.
English Version (2022)
Thai Version (2016)
Burmese Version (2016)
Produced by Aqueous Solutions, this simple booklet provides a clear overview of the Biosand Water Filtration System (2000L per day) and how to build and use it.
English Version (2022)
Thai Version (2016)
Burmese Version (2016)