• Poly bag keeps each pair of earplugs clean before use
• Bell shape allows easy insertion and removal.
• Noise Reduction Rating (NRR)* 33 dB. CSA Class AL.
• Test compatible with 3M™ E-A-Rfit™ Validation System.

Specifications:

• Color: Yellow
• Uncorded
• Material: Polyurethane
• Noise Reduction Rating (NRR): 33 dB
• Shape: Bell
• One size fits most