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FILTER
A filter is a screen used for limiting contamination by trapping very
fine and fine particulate matter and separating this matter from air.
A filter element removes the finer particles of dust, rust scale and
carbonized oil as the air flows through to the outlet. The standard
element will remove all contamination particles down to 5 microns in
size. The element can be easily removed, cleaned, and re-used several
times before needing to be replaced because of excessive pressured
drop.
Figure 6.2: Filter and a standard symbol
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