Details DOSH SIRIM Approved Reduces noise levels up to 31 dB (SNR) Sealing rings filled with a unique combination of liquid and foam Large space inside the cups helps minimise heat and moisture build-up Soft, wide, cushions help reduce pressure around the ears 3M™ E-A-Rfit™ Dual-Ear Validation System testable 3M™ PELTOR™ Optime™ II Earmuffs are our innovative hearing protectors for use in loud, demanding environments including airports and construction sites, reducing noise levels up to 31 dB. These earmuffs feature sealing rings filled with a unique combination of liquid and foam providing agreeable comfort even in long-term use and improving incidence of wear and compliance. Get high level hearing protection that protects against even extremely low frequencies with 3M™ PELTOR™ Optime™ II Earmuffs. They’re ideal for use in loud, demanding environments with substantial industrial noise such as airports, construction sites and during agricultural work. Our earmuffs reduce noise levels up to 31 dB and have sealing rings filled with a unique combination of liquid and foam. The large space inside the cups helps reduce heat and moisture build-up, and the soft, wide cushions help decrease pressure around the ears, making them comfortable to wear for long periods. The cushions and foam inserts, available as Hygiene Kits, are easy to replace if they become worn or damaged, extending the life of the product. They’re available in helmet attached models.