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MSA left/RIGHT Passive Hearing Protection

MSA left/RIGHT Passive Hearing Protection

Manufacturer: MSA

Product Code: 10087399

MSA left/RIGHT Passive Hearing Protection

MSA left/RIGHT passive headband hearing products offer three levels of NRR values ranging from 21 to 28 dBA, making it simple to match the attenuation of the earmuff with the noise exposure of the worker.

Features & Benefits

  • Precise fit provides maximum loud noise protection using minimal cup size
  • Headband adjusts up and down to provide custom fit for different head sizes
  • Available in low, medium, and high attenuation


Classification: Headband, Passive
Markets: General industry, manufacturing, repair and maintenance, construction, OGP, forestry, shipbuilding, mining
Applications: Heavy mechanical industries, compression rooms, airports (HIGH)
Utilities, construction, general industry (MEDIUM)
Food manufacturing, automotive, light industry (LOW)
Standards: Meets ANSI S3.19-1974 and CSA Class A Standards


  Product Name Part No. NRR Product Features
  left/RIGHT (HIGH) 10087399 28 dBA • For use in high-noise environments, such as paper mills, foundries, mines and airports
• Cups are sized and shaped to provide space for most ear sizes
  left/RIGHT (MEDIUM) 10087426 25 dBA • For use in medium-noise environments, such as oil, gas and petrochemical, forestry and agriculture
• Cups are sized and shaped to provide space for most ear sizes
  left/RIGHT (LOW) 10087436 21 dBA • For use in low-noise environments, such pharmaceuticals and outside maintenance, where overprotection is a concern
  left/RIGHT (HIGH) Hygiene Kit 10092880   • Cushions and inserts
• Works with left/RIGHT passive helmet-mounted or headband products
  left/RIGHT (MEDIUM) Hygiene Kit 10092879  
  left/RIGHT (LOW) Hygiene Kit 10092878  
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