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Hydrogen Technologies Standards form the basic framework for market ramp-up
More information
Climate change Standards and specifications support climate targets
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
More information

Standards [CURRENT]

NF X44-014-1 ; NF EN 1822-1:2019-04-10
High efficiency air filters (EPA, HEPA and ULPA) - Part 1: classification, performance testing, marking

Title (German)

Schwebstofffilter (EPA, HEPA und ULPA) - Teil 1: Klassifikation, Leistungsprüfung, Kennzeichnung

Edition 2019-04-10

Original language French

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Terminology

Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

NF X44-014-1 ; NF EN 1822-1:2019-04-10 High efficiency air filters (EPA, HEPA and ULPA) - Part 1: classification, performance testing, marking

Want to learn more?

NF X44-014-1 ; NF EN 1822-1:2019-04-10
High efficiency air filters (EPA, HEPA and ULPA) - Part 1: classification, performance testing, marking