Max® 优异防护的一次性发泡耳塞 Highest NRR in Disposable Foam Earplug 噪音降低率(NRR) 33分贝 Noise Reduce Ratio 33dB • 业内使用很广的PU发泡耳塞 • 钟型设计,保证了佩戴的舒适度 • 改进设计,佩戴更加方便,并且不易脱落 • 光滑的耳塞表面,抗油性的设计,可防止污垢累积 • The world’s most-used polyurethane earplug • Bell shape delivers maximum in-ear comfort • Improved design, easier to insert, reduces tendency to back out of ear • Smooth, soil-resistant skin prevents dirt build-up |