3M Tri-Flange Plugs: vinyl cord

• Noise Reduction Rating (NRR) of 26 dB
• CSA Certification: Class AL
• Test compatible with 3M™ E-A-Rfit Validation System
• Vinyl cord for easy short term storage around the neck
• Triple-flange provides proven protection without rolling or touching plug during insertion
• 3M™ Tri-Flange Corded Earplugs fit comfortably into various ear canals.
• Push-to-fit products provide in-ear comfort and convenience, with the hearing protection you expect from 3M.

*The NRR may overestimate the hearing protection provided during typical use. 3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided.