3M PELTOR Optime III Earmuffs, 35 dB, Black/Red, Neckband, H540B-412-SV 3M Product Number H540B, 3M ID 7000039623

• · Double casings technology helps minimise resonance effect
• · Large space inside cup helps reduce moisture and heat build up
• · Soft wide cushions helps reduce pressure around the ears and improves comfort and wearability
• · Easy to replace cushions and inserts, helps keep them hygienically clean
• · hygiene kit available