NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
Standards
[CURRENT]
EN 1822-1
EN 1822-1
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