M-LOK 3M™ PELTOR™ X4 Earmuffs X4P51E

These 3M™ PELTOR™ X4 Earmuffs X4P51E allow you to mount hearing protection directly to your Kevy Hard Hat. Be sure to watch the install video in the product images on this page! ***These will only fit our Kevy Hard Hats, NOT ANY OF OUR BALLISTIC HELMETS*** 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)