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3M™ E-A-R™ UltraFit™ Corded Earplugs (400 Pair/Case)

Brand: 3M™ Mfg#: 340-4004
Product#: 1213404004
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The 3M™ E-A-R™ UltraFit™ Corded Earplugs feature a “no-roll”, triple-flange design that provides quick, clean, and comfortable hearing protection. The soft polymer earplugs are washable and reusable so they don’t need to be replaced as often. Poly bag keeps earplugs clean prior to use. Recommended applications include assembly and mechanical, chipping, chiseling, cleaning, drilling, furnace operations, grinding, heavy equipment operations, machining, metal repair, painting, pouring/casting, power fastening, riveting, sanding, sawing and welding. These soft polymer earplugs have a Noise Reduction Rating (NRR) of 25 dB and are test compatible with the 3M™ E-A-Rfit™ Validation System.


  • Poly bag keeps earplugs clean before use
  • Washable and reusable
  • 3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided
  • Proprietary, premolded, triple flange earplug design inserts easily
  • These durable, reusable corded earplugs are easy to use again and again, reducing waste
  • No rolling or sizing needed to get a comfortable, protective fit
  • The NRR may overestimate the hearing protection provided during typical use
  • 3M is leading the advancement of hearing conservation
  • Single size fits comfortably in most earcanals


  • Brand: 3M™
  • Product Line: E-A-R
  • Color: Yellow
  • Body Material: Elastomeric Polymer
  • Standards: ANSI S3.19-1974, CSA Certified
  • Shape: Multi-Flanged
  • Cord/Uncorded: Corded
  • Cord Type: Vinyl
  • Noise Reduction Rate (NRR): 25 dB
  • Size: Universal
  • Usage: For Assembly and Mechanical, Chipping, Chiseling, Cleaning, Drilling, Furnace Operations, Grinding, Heavy Equipment Operations, Machining