3M Optime ll H510P3GS/E Cap Attached Ear Muff

• Compatible with 3M 25 mm hard hats & visors; 30 mm adapter included
• Helmet-mounted 3M™ PELTOR™ Optime™ II (H520P3GS/E)
• Class 5 hearing protection — reduces noise levels up to 29 dB
• Large internal cup space helps minimise heat & moisture build-up
• Soft, wide cushions reduce pressure for all-day comfort
• Suitable for high-noise sites: airports, construction, industrial & agricultural work