3M H520P3E-410-GQ Optime II Ear Defender Helmet Attach SNR30

Product Code: 670477

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Product Info

Optime II has been developed for demanding noise-hazard environments and muffles even etremely low frequencies to a maximum degree.
- Optime II is a suitable choice for environments with substantial industrial noise or construction machinery airports and agricultural work.
- Manufactured to EN352-1 - SNR31

EN 352-3:2002 (SNR 30dB)