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ULPA

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ULPA is an acronym for "ultra low penetration air".

An ULPA filter (theoretically) can remove from the air at least 99.999% of dust, pollen, mold, bacteria and any airborne particles with a size of 120 nanometres or larger. A number of Recommended Practices have been written on testing these filters including IEST-RP-CC001: HEPA and ULPA Filters, IEST-RP-CC007: Testing ULPA Filters, IEST-RP-CC022: Testing HEPA and ULPA Filter Media, and IEST-RP-CC034: HEPA and ULPA Filter Leak Tests.

ulpa is an indian girls' name also known as po-po masi..

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Last updated on Saturday March 01, 2008 at 11:31:41 PST (GMT -0800)
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