BS EN ISO 16890-1:2016
BSI Standards Publication
Air filters for general ventilation
Part 1: Technical specifications, requirements and classification system based upon particulate matter efficiency (ePM) (ISO 16890-1:2016)
BS EN ISO 16890-1:2016
BSI Standards Publication
Air filters for general ventilation
Part 1: Technical specifications, requirements and classification system based upon particulate matter efficiency (ePM) (ISO 16890-1:2016)