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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 ... http://en.wikipedia.org/wiki/ULPAManufacturer of ULPA / HEPA filters and filtration products for cleanrooms, semiconductor manufacturing, biotechnology, hospitals, food processing and protection against nuclear ... http://www.filt-air.com/ULPA and SULPA filters. The NAFA Guide to Air Filtration (1993) describes ULPA and SULPA filters. As early as 1961, a filter with a higher efficiency than a HEPA filter was offered ... http://ateam.lbl.gov/Design-Guide/DGHtm/ulpaandsulpafilters.htmRP Fedder has become one of the leading manufacturers of custom designed HEPA Filters and ULPA filters anywhere from cylindrical to panel to Vee bank type designs. http://www.rpfedder.com/HEPA.cfmAir Guard Terminal HEPA/ULPA Filter Modules are lightweight unitized low profile disposable ducted units with minipleat filter ... http://www.rlkunz.com/products/terminal_filter_modules.html |
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