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.[1]

[edit] See also

[edit] References

  1. ^ IEST Recommended Practices. IEST (Last updated 2007-12-03). Retrieved on 2008-01-14.


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