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Schematic of a 3-stage filter for communal purposes. The filter was made by extrapolating Peter Darman's water filter to a larger scale, using a general fast sand filter as baseline. References: http://en.wikipedia.org/wiki/File:Rapid_sand_filter_EPA.jpg
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:48, 15 February 2011 | | 1,648 × 3,800 (1.58 MB) | KVDP (talk | contribs) | Schematic of a 3-stage filter for communal purposes. The filter was made by extrapolating Peter Darman's water filter to a larger scale, using a general fast sand filter as baseline. References: http://en.wikipedia.org/wiki/File:Rapid_sand_filter_EPA.jpg |
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