SureFire EP4 Sonic Defenders Plus Filtered Flanged Earplugs Scopes and travel the harshest environments

and travel the harshest environments on earth

The reinforced

STERILE (FRD302)

Closed Length: 4 in | 10 cm

SureFire EP4 Sonic Defenders Plus Filtered Flanged Earplugs Scopes and travel the harshest environmentsListen To Your Ears. Your hearing health should never be ignored. SureFire EP4 Sonic Defender Plus will protect your hearing against Noise Induced Hearing Loss (NIHL) without compromising your ability to hear routine sounds or conversations in noisy environments. Their triple flanged stem provides a Noise Reduction Rating (NRR) of 24 dB. Safe sound levels are allowed to pass through into the ear canal, while potentially harmful noises (above 85 dB)