
Air filters for general ventilation - Part 4: Conditioning method to determine the minimum fractional test efficiency (ISO 16890-4:2016)
STANDARD published on 1.6.2017
Designation standards: STN EN ISO 16890-4
Classification mark: 125005
Catalog number: 124755
Note: WITHDRAWN
Publication date standards: 1.6.2017
Approximate weight : 30 g (0.07 lbs)
Country: Slovak technical standard
Category: Technical standards STN