SKU: 20194433228

3M™ E-A-RLINK™ Foam Eartips 3A 420-2004, with Black Tube, Adult Size

Sale price$56065.50 Regular price$62295.00
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Ships within 48 hours · Estimated delivery Jul 26 - Jul 31

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Description

3M™ E-A-RLINK™ Foam Eartips 3A 420-2004, with Black Tube, Adult Size3M E A RLINK Foam Eartips 3A 420 2004, with Black Tube, Adult Size, Yellow, 500 EA Case Details 3M PSD products are for occupational use only. *The NRR may overestimate the hearing protection provided during typical use. The E A RLINK 3A is a 1 2 inch height Standard Adult size (13. 7mm) diameter yellow foam disposable single use ear tip with black tube for use with the E A RTONE 3A and 5A Insert Earphone. By directly coupling to the test subject's

3M™ E-A-RLINK™ Foam Eartips 3A 420-2004, with Black Tube, Adult Size, Yellow, 500 EA/Case

 

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

The E-A-RLINK™ 3A is a 1/2 inch height Standard/ Adult size (13.7mm) diameter yellow foam disposable/ single-use ear tip with black tube for use with the E-A-RTONE™ 3A and 5A Insert Earphone.

 

By directly coupling to the test subject's ear canal, via disposable foam E-A-RLINK ear tips, 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.

 

3M™ E A RLINK™ Foam Eartips 3A 420 2004, with Black Tube, Adult Size, YellowFor use with E A RTONE™ 3A and 5A Insert Earphone Audiometric Testing.

3M™ E A RLINK™

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Exchange/Return Notes
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SKU: 20194433228

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4.5 ★★★★★
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Verified Purchase
Kaylin
Grantham, US
★★★★★ 1
Would not recommend
Color: Black
Product was terrible, it was not sturdy at all
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
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NIKI73
Belleville, US
★★★★★ 5
Order with confidence!
Color: Black
Pleased with my purchase!
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Reviewed in the United States on April 26, 2026
C
coffeeandcode
New York, US
★★★★★ 4
Awesome, portable room divider for larger rooms
Color: Black, Color: Black
I chose this room divider to use in my son's room that also serves as my home office! It is 72" x 72" in size, so it truly blocks out the other side of the room for optimal privacy. Once it's assembled, it's mildly sturdy - as long as you can bet both ends with the "feet" in line with the ground. I wish that the framework poles had more of an interlocking system so that the divider was easier to erect. I assembled this on carpet, so I had some issues getting the divider to stop moving. It takes a lot of work to set up, as it is massive, so definitely have someone help you. I would suggest adding weights of some sort to the feet of this divider to keep it from shifting. I ended up leaning mine against a bookcase shelf so it wouldn't lean. All and all, this is a great product if you are looking to make a room multipurpose.
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Reviewed in the United States on August 2, 2025
J
Verified Purchase
John Grey
Lowell, US
★★★★★ 5
As described
Color: Black
Light weight, easy to put together and you can disconnect the ends and just roll the whole thing nice and tight for quick out of the way storage. Pretty sturdy, doesn't fall over if you bump into it, you could use it outside but if there's a lot of light you can see through a tiny bit if you're really close but I only tested this indoors so not sure about patio types
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Reviewed in the United States on December 18, 2025
A
Verified Purchase
Amyth4
Los Angeles, US
★★★★★ 2
Flimsy - choose something else
Color: Black
Very flimsy and barely stands up… better options out there.
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Reviewed in the United States on October 11, 2025

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