FAQ

Cleanroom Classifications acc. to US FDA (USFDA)

Clean Area
Classification
(0,5 um particles/ft3)

ISO
Designation

< 5,0 µm
particles/m3

Microbiological
Active Air Action
Levelsc(CFU/m3)

Microbiological Settling
Plates Action Levelsc,d
(diam. 90 mm;CFU/4 hours)

100

5

3.520

1e

1e

1000

6

35.200

7

3

10,000

7

352.000

10

5

100,000

8

3.520.000

100

50