3M™ PELTOR™ Over-the-Head Earmuffs X4A, 10/Case

Features

• "Noise Reduction Rating (NRR) between 25–27 dB (depending on the attachment type) Low-profile cup design for improved compatibility with other personal protection equipment (PPE) High ratio of NRR to earcup depth 3M™ E-A-Rfit™ Dual-Ear Validation System testable Slow-recovery, high-density foam Replaceable ear cushions and foam liners (hygiene kit HYX4)"