Sonis® Compact Helmet Mounted Ear Defender SNR 31.
The Sonis® range of ear defenders have been designed by the JSP R&D team. Working with a leading UK acoustic engineering research facility they have developed an ear defender range that peaks at an unbeaten 37 SNR.
SNR 31. Medium attenuation small compact cup 107-112dB.
Suitable for; Substantial industrial noise, Construction & Agricultural machinery, Roadworks, Forestry, Engineering.
Hygienic with colour coding for easy selection.
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