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PARTICULATE
CONTAMINANTS: FILTERS |
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In areas requiring the most stringent controls,
an Ultrahigh Efficiency Particle Air (ULPA) filter is employed. Development
was based on the HEPA filter design, but with a filtering media using
much smaller diameter fibers. This improvement means that the ULPA filter
is capable of removing 99.999% of airborne particles as small as 0.12
microns. |
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