High efficiency air filters (EPA, HEPA and ULPA) - Part 1: Classification, performance testing, marking
STANDARD published on 15.1.2020
Designation standards: UNE-EN 1822-1:2020
Publication date standards: 15.1.2020
The number of pages: 23
Approximate weight : 69 g (0.15 lbs)
Country: Spanish technical standard
Category: Technical standards UNE