3M 340-4007 metal detectable corded earplugs /3M 340-4007 reusable earplug 3m Corded earplug

3M 340-4007 metal detectable corded earplugs /3M 340-4007 reusable earplug /Corded earplugs

              Features:

• Metal-detectable ball bearing for high detectability.
• Proprietary, premolded, triple-flange earplug design inserts easily.
• Soft polymer is washable and reusable
• Noise Reduction Rating (NRR): 25 dB. CSA Class AL
• Test compatible with 3M™ E-A-Rfit™ Validation System

  Detailed Product Description: 

• Poly bag keeps each pair of earplugs clean before use.
• Metal-detectable ball bearing for high detectability.
• Single size fits comfortably in most earcanals.
• Proprietary, premolded, triple-flange earplug design inserts easily.
• No rolling or sizing needed to get a comfortable, protective fit.
• Soft polymer is washable and reusable.