From Ministry of Water DCOM Manual
Sand_Filter.pdf (0 × 0 pixels, file size: 530 KB, MIME type: application/pdf)
Slow sand filter capacity 22.5m3 per day
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|current||14:33, 30 March 2020||0 × 0 (530 KB)||Jlungo||Slow sand filter capacity 22.5m3 per day|