3M™ PELTOR™ Optime™ I Headsets H510P3E-405-GUFeaturesSoft wide cushions help reduce pressure around the ears and enhance comfort and wearability.The large interior of the headsets helps reduce moisture and heat build-up.Easy-to-replace cushions and parts help maintain hygiene and cleanliness.P3E helmet adapter for helmet mountingSoft wide cushions help reduce pressure around the ears and enhance comfort and wearabilityG22/G3000 Helmet headset accessories with SNR=26 dBRecommended Industries / UsesMetalworking, Automotive, Airport, Construction, Textile, Chemical and Pharmaceutical Industries, Cement Production, Printing, Woodworking, Heavy Engineering, Foundry, Mining, and QuarryingHazardsNoise, soundCertificatesEN 352-3:2002 - EN StandardCE Certified