The diagram below illustrates how a simple water filter is constructed and how it functions to produce clean drinking water.

The diagram shows the process involved in the construction of a

water

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filter

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and how clean

water

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is obtained for human consumption. The

filter

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is made up of a plastic barrel covered by a lid which is elevated above ground by some parts.

This

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filter

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is connected to a drum by a tube to a storage that contains the clean

water

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. Inside

of

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the

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filter

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filter,

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there are 4 different layers, the first layer is filled with unclean

water

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that comes from a bottle, the second one with sand and the remaining two with charcoal and gravel. These materials help purify

water

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by removing any particles that are hazardous for drinking purposes.

Then

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, after the

water

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is cleaned, it flows back from the

filter

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to a storage unit.

Finally

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, the clean

water

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is now available for drinking.