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3M 1270圣诞树型带线耳塞3M 1270圣诞树型带线耳塞NRR:24db SNR:25db圣诞树型轮廓设计可清洗，重复使用细绳柔软，防缠绕，防止耳塞丢失包装：100付/盒，5盒/箱=500付This reusable, multi-flange designed ear plug fits securely in the ear canal and helps provide reliable protection. The bright orange color provides high visibility to allow employers to identify employees wearing their ear plugs. Soft cloth cord helps prevent loss of ear plugs. Can be washed and reused many times. Recommended for moderate noise (up to 95 dBA TWA). Noise Reduction Rating (NRR)*: 24dB
*Must see the Learn More Section - How to Use the NRR
3M ID: 70-0710-9107-1
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