Freq. (Hz) 63 125 250 500 1000 2000 4000 8000 Mf (dB) 31.3 32.0 30.4 31.9 32.4 34.5 42.0 41.8 sf (dB 5.7 8.2 7.2 8.8 6.6 4.8 3.1 3.6 A.P.V (dB) 25.6 23.8 23.2 23.1 25.8 29.7 38.9 38.2 H = 31 dB M = 26 dB L = 24 dB SNR = 30 dB
Price | |||
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Moldex 6400 Rockets® Ear Plugs 130014 | £1.30 |