The ventilation air filter system for improving indoor air quality.
![](https://www.aivc.org/sites/default/files/default_images/default_image_5.png)
Year:
1997
Bibliographic info:
USA, Washington DC, Healthy Buildings/IAQ '97, 1997, proceedings of a conference held Bethesda MD, USA, September 27 - October 2, 1997, Volume 2, pp 83-88, 8 figs, 3 tabs, 5 refs.