Disposable ear plugs 420-2028

foamhigh-attenuation

Designed for use with 3M™ E-A-RTONE™ 3A and 5A Insert Earphone Disposable 3M PSD products are for occupational use only 3M™ E-A-RLINK™ Foam Eartips are designed for use with 3M™ E-A-RTONE™ 3A and 5A Insert Earphone. By directly coupling to the test subject's ear canal via the disposable 3M™ E-A-RLINK™ Foam Eartips, the 3M™ E-A-RTONE™ 3A and 5A Insert Earphone offers audiometric testing that helps provide both performance and reliability advantages over traditional supra aural earphones. Some of these benefits include improved ambient noise attenuation, greater interaural attenuation, facilitated infection control (via disposable eartips), the elimination of collapsed canal artifact, better test/re-test reliability, and reduced occlusion effect for BC testing.