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3M Peltor Optime I Ear Defenders
3M Peltor Optime I Ear Defenders
£17.95
| Frequency (Hz) | 63 | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 |
|---|---|---|---|---|---|---|---|---|
| Mf (dB) | 13.3 | 10.9 | 17.1 | 25.4 | 31.5 | 32.6 | 36.3 | 34.8 |
| sf (dB) | 4.1 | 3.5 | 2.8 | 1.8 | 2.6 | 4.3 | 3.4 | 3.6 |
| APVf (dB) | 9.1 | 7.3 | 14.3 | 23.6 | 28.9 | 28.3 | 32.9 | 31.1 |