Stadler Form Roger - Page 67

TR-KKL-2020-102 dated 1 December 2020
Product Test on a Pleated Combi Filter Element based DIN 71460-1:2006
Stadler Form, Pleated Combi Filter Element
Page 6 of 6
Systems
Figure 3: Fractional efficiency of the clean filter
Essen, 1 December 2020
Dipl.-Ing. Vera Gräff
Project manager Indoor Air Hygiene Group
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fractional efficiency in %
particle size in µm
initial fractional efficieny (IFE)