Gustavsson J
Bibliographic info:
20th AIVC and Indoor Air 99 Conference "Ventilation and indoor air quality in buildings", Edinburgh, Scotland, 9-13 August 1999

The need to separate impurities from air or other gases has increased as regards both the degree of separation and the necessity to separate finer particles. An 85% efficiency filter is a prerequisite for the correct functioning of ventilation systems and to improve indoor air quality (IAQ).