P


EN 352-2

Banded ear plug 30220

Banded ear plug 30220

> Headband in polyprolpylene and plugs in foamed PU.
> Earplug form : half sphere.

Specific features:
> Comfort.
> Lightness.
> Spare ear plugs available (ref. 30221).
> To be worn under the chin.
> Easy use. 
> SNR 20 dB ; H 25 dB ; M 15 dB L 13 dB. 

SNR : 20 dBH : 25M : 15L : 13
Hz

Frequency

63

125

250

500

1000

2000

4000

8000

dBMean attenuation

24.8

22.6

15.6

13.8

21.6

33.0

38.4

40.2

dBStandard deviation

5.8

6.1

4.6

3.8

3.6

5.5

1.7

3.8

 Effective protection

19.0

16.5

11.0

10.0

18.0

27.5

36.7

36.4

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