Biosand Filter Mold Version 10 With Ledge - Fabrication Instructions
This document contains drawings and instructions for constructing CAWST Version 10 biosand filter molds with a ledge for a diffuser plate. This mold will produce filters that may be used either with a diffuser basin that hangs from the top of the filter (prefered), or a diffuser plate that sits on the ledge or lip inside the filter.
Biosand Filter Mold Version 10 With Ledge - Fabrication Instructions
This document contains drawings and instructions for constructing CAWST Version 10 biosand filter molds with a ledge for a diffuser plate. This mold will produce filters that may be used either with a diffuser basin that hangs from the top of the filter (prefered), or a diffuser plate that sits on the ledge or lip inside the filter.
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CAWST is a Canadian charity and licensed engineering firm. We address the global need for safe drinking water and sanitation by building local knowledge and skills on household solutions people can implement themselves.