3M 1100 使い捨て耳栓（10ペア/20個）

Name: Friends Store
Address: 九龍灣宏冠道6號鴻力工業中心B座1樓20室, HK
Telephone: +852 27070895

Smooth, dirt resistant surface for hygieneComfortable for a wide range of earcanal sizesTest compatible with 3M™ E-A-Rfit™ Validation SystemNoise Reduction Rating (NRR)*: 29 dB. CSA Class AL