High efficiency air filters (EPA, HEPA and ULPA) - Part 1: Classification, performance testing, marking
STANDARD published on 1.10.2019
Designation standards: STN EN 1822-1
Classification mark: 125002
Catalog number: 129023
Publication date standards: 1.10.2019
Approximate weight : 30 g (0.07 lbs)
Country: Slovak technical standard
Category: Technical standards STN