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.
Benefits
•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, A