White Papers

Gustavsson, J., "Air Filters for Ventilating Systems – Laboratory and In Situ Testing ", International Nonwovens Journal Volume 8 No. 2 Fall 1999.

Gustavsson J., 1995 "Test Methods and Classification of Air Filters", Camfil, Sweden.

J. T. Hanley et.al., 1999 "The effect of Loading Dust Type on the Filtration Efficiency of Electrostatically-Charged filter", Indoor Air 99, Edinburgh Vol. 4 p 73.

STF11 A95052, "Long-term Tests of Filters in a Real Environment", SINTEFF, Trondheim, Norway,1995

Gustavsson, J., "Can We Trust Air Filters?" 1/2/00

Lehtimaki M., "Development of Test Methods for Electret Filters", Nordtest report 320 1996-03, Espo, Finland

Kern, C., "Review of ASHRAE Test Results versus Real Life Performance"