Earplugs 370-2000

• Double-end versatility
• Insert the yellow end – Hear-Through™ design until arc flash occurs when the calibrated noise filter activates immediately to suppress noise to a safer level
• Insert red end for protection against continuous hazardous noise.
• Tri-flange, push-to-fit design washable and reusable
• Material successfully tested for ARC exposures of category 2 and higher, ASTM F1959-2005 modified
• Noise Reduction Rating (NRR)*: 22 dB. CSA Class AL

3M™ E-A-R™ ARC Plug™ earplugs feature Hear-Through™ design allow workers to hear conversations, signals, or other critical sounds clearly, while helping protect against impulse noise from an arc flash. NRR 22 dB in Continuous Protection mode (red tips) NRR 0 dB in Arc Flash Protection mode (yellow tips).

Hear-Through™ design allow workers to hear conversations, signals, or other critical sounds clearly, while helping protect against impulse noise from an arc flash. – Double-end versatility – Insert the yellow end – Hear-Through™ design until arc flash occurs when the calibrated noise filter activates immediately to suppress noise to a safer level – Insert red end for protection against continuous hazardous noise. – Tri-flange, push-to-fit design washable and reusable – Material successfully tested for ARC exposures of category 2 and higher, ASTM F1959-2005 modified – Noise Reduction Rating (NRR)*: 22 dB. CSA Class AL *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. 3M is Leading the Advancement of Hearing Conservation™.