描述:
Reusable earplugs 556 Reusable earplugs with cord. Practical for continuous or intermittent use in noisy environments. These earplugs are made of thermoplastic elastomer (SEBS). Viscose cord. Available in two sizes: standard and small. Weight: | 10 g ---|--- Sound reduction index: | 28 dB Recommended application: | between 90 and 105 dB ### 標(biāo)準(zhǔn) EN 352-2 ### 可重復(fù)使用的耳塞 ### 注 不適合于低頻噪聲
