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ULPA is an acronym for "Ultra Low Penetration Air (filter)" 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 100 nanometres (0.1 µm) 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''. ==See also== * HEPA 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Ultra-low particulate air」の詳細全文を読む スポンサード リンク
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