3M? E-A-RLINK? Foam Eartips 3B 420-2007, with Black Tube, Pediatric Size, Beige, 750 EA/Case

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3M? E-A-RLINK? Foam Eartips 3B 420-2007, with Black Tube, Pediatric Size, Beige, 750 EA/Case

Specifications

Brand

E-A-R?

Case Quantity

750

Hearing Protection Style

Probed for Fit Testing

Packaging

Poly bag

Product Type

Foam Eartip

Shape

Cylinder

Details

3M PSD products are for occupational use only.
*The NRR may overestimate the hearing protection provided during typical use.

The E-A-RLINK? 3B is a 1/2 inch height Small/ Pediatric size (9.7mm) diameter beige foam disposable/ single-use ear tip with a black tube for use with the E-A-RTONE? 3A and 5A Insert Earphone.
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By directly coupling to the test subject’s ear canal, via disposable foam E-A-RLINK??eartips, the E-A-RTONE??3A and 5A Insert Earphone for audiometric testing provide both performance and reliability advantages over traditional supra-aural earphones. Benefits (in comparison to supra-aural/TDH style earphones) include:

Improved ambient noise attenuation
Greater interaural attenuation
Facilitated infection control (via disposable eartips)
Elimination of collapsed canal artifact
Better Test/Re-test Reliability
Reduced Occlusion Effect for BC testing

Infant Eartips are designed to be used as an alternative for the foam (E A RLINK??) eartips connected to the E A RTONE??Insert Earphone in instances where the smallest (3B) foam tip size is too large for the test subject’s ear canal.

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