3M E-A-R Ultrafit uncorded yellow earplugs for hearing protection, shown in a close-up with a smooth, contoured design.

3M E-A-Rsoft 340-4003 - E-A-R Ultrafit Uncorded Earplugs Yellow 7000002321

3M SKU: SS EAR 340-4003
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3M E-A-R UltraFit Earplugs, 340-4003, yellow, uncorded

  • 3M E-A-R UltraFit Corded Earplugs feature a proprietary, premolded, triple-flange design that fits comfortably in most ear canals
  • These durable, corded reusable earplugs are easy to use again and again, reducing waste
  • Push-to-fit products provide in-ear comfort and convenience, with the hearing protection you expect from 3M.

    • Product Information

    Brand 3M
    Part # 7000002321
    Line E-A-Rsoft
    Origin Country USA
    Product Type Uncorded Ear Plugs
    Size One size

    Product Information

  • *U.S
  • EPA specifies the NRR as the measure of hearing protector noise reduction
  • However, 3M makes no warranties as to the suitability of the NRR for this purpose
  • 3M strongly recommends personal fit testing of hearing protectors
  • Research suggests that users may receive less noise reduction than indicated by the attenuation label value(s) on the packaging due to variation in fit, fitting skill, and motivation of the user
  • Refer to applicable regulations or guidance on how to adjust attenuation label values
  • It is recommended that the NRR be reduced by 50% to better estimate typical protection.
  • CSA Class AL
  • Noise Reduction Rating (NRR)*: 25 dB
  • CSA Class AL
  • Noise reduction rating (NRR)*: 25 dB for standard Ultrafit and 27 dB for Ultrafit 27.
  • Poly bag keeps earplugs clean and accessible for re-use
  • Single size fits comfortably in most ear canal
  • Triple-flange provides proven protection without rolling or touching plug during insertion
  • Vinyl or cloth material options for cords
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