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3M E-A-R Corded Ultrafit Ear Plugs 100/pack

Brand: 3M Mfg#: 340-4004
Product#: 1213404004
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The 3M™ E-A-R™ UltraFit™ corded earplugs features a proprietary, premolded, triple-flange design that fits comfortably in most earcanals.


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


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