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Siphon filter

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[[Image:siphon1.png|thumb|right|150px| Principle of a siphon filter]]

[[Image:siphon2.png|thumb|right|150px| Siphon filter as sold in shops]][[Image:siphon2siphon3.png|thumb|right|150px| Siphon filter demonstration in Mozambique]]

==What is a siphon filter?==

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Marktielewestra

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