3M™ PELTOR™ Optime™ I Headband Format Earmuff, 28dB (Class 5) H510A (Each)3M PELTOR Optime I Earmuffs, H510A offer versatile protection for both short and long duration tasks. Ideal for protection against noise arising from a wide range of applications in the workplace. Get lightweight hearing protection that combines excellently with other safety equipment with 3M PELTOR Optime I Earmuffs, H510A. Theyre ideal for moderate industrial noise. The space inside the cups helps reduce heat and moisture build up, and the soft,