ULPA
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ULPA is an acronym for "ultra-low penetration air". An ULPA filter can remove from the air at least 99.999% of dust, pollen, mold, bacteria and any airborne particles with a size of 120 nanometres (0.12 micron) 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] References
- ^ "IEST Recommended Practices". IEST. Last updated 2007-12-03. http://www.iest.org/RecommendedPractices/IESTRPCC001/tabid/9637/Default.aspx. Retrieved 2008-01-14.
[edit] See also
[edit] External links
- ULPA Filter Efficiency Chart: Sentry Air Systems
- European Standard for HEPA & ULPA Filters - EN 1822
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