File:Filter drawing rev2.jpg

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Original file(601 × 782 pixels, file size: 38 KB, MIME type: image/jpeg)

small slow sand filter drawing

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Date/TimeThumbnailDimensionsUserComment
current21:15, 29 November 2009Thumbnail for version as of 21:15, 29 November 2009601 × 782 (38 KB)Water guy (talk | contribs)small slow sand filter drawing
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