ISPE Glossary of Pharmaceutical and Biotechnology Terminology

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Ultra Low Penetration Air (ULPA) Filters

Extended media dry filters in a rigid frame that have a minimum particle-collection efficiency of 99.999% for particles greater than or equal to 0.12 µm in size.

Publication Source: ISPE Good Practice Guide: Heating, Ventilation, and Air Conditioning (HVAC)

Publication Date: 2009

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