3M Welding Earmuffs H505B

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The 3M PELTOR Welding Helmet Ear Muffs H505B are designed to be used with the 3M Speedglas 9100. These ear muffs provide moderate level of attenuation that meets the needs of most welding industry applications

Key Features:
  • Modern, stylish slim line cup design
  • Liquid sealing rings for improved comfort
  • Large space inside cup helps reduce moisture and heat build-up
  • Easy to replace cushions and inserts helps keep them clean and hygienic
  • Neckband design helps improve compatibility with other protective equipment
  • Soft wide cushions help reduce pressure on ears and improves comfort & wearability
Part Number:

More Information
Price $25.09
Product Weight (lbs.) .5
Weight 1.0000
Brand 3M
UPC 10093045936400
Color No
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  1. cody

    2014-12-10 01:22:25

    NRR? Its not on spec?

    1 answer
    1. Chris

      2014-12-10 01:22:25

      The 3M H505B welding ear muffs are manufactured by their Peltor division, and are rated for moderate noise volumes. When checking to find the answer for your question, I ran across several different types of rating for this product. Depending on what part of the world this product might be sold in, there are regional methods of stating the relative noise reduction provided by the ear muffs.
      US EPA - NRR 17 dB<br>
      Canadian standard CSA Class B (Class B device to be used for noise levels of <95dBA)<br>
      Australia and New Zealand - Attenuation value SLC 80 22dB (Class 4)<br>
      European standard attenuation rating (SNR) 26 decibel

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