The Surefire EP4 Sonic Defenders Plus protect your hearing without interfering with your ability to hear routine sounds or conversations. Their tripleflanged stem design fits larger ear canals and provides a Noise Reduction Rating NRR of 24dB. Sounds at safe levels are allowed to pass through into the ear canal while potentially harmful noises above 85dB are reduced via a proprietary design that incorporates a special noisereducing filter. EP4s include attached filter caps which can be inserted for additional protection and blocking out lowerlevel noise like that heard on a plane where hearing ambient sounds or conversations isnt critical. Rightleft colorcoded Sonic Defenders Plus are made from a soft but durable hypoallergenic polymer that provides allday comfort and an extended product life up to 6 months depending on usage and care.
- MPN: EP4BKMPR
