E-A-R Arc Plug 
• Allows workers to hear sound clearly around them without impairment • Includes carrying case 
• If an arc flash occurs, the calibrated noise filter activates immediately to suppress the noise to a safer level 
– without dangerous delay – reducing the chance of hearing damage and concussive disorientation 
• The red side offers protection against constant high-level noise • NRR 22 dB
• Meets NFPA 70E regulations • CSA Class AL  Sold 10 Pairs / Box