Surefire - EP4 Sonic Defenders Triple-Flanged Earplugs
SureFire - EP5 Sonic Defenders Max (Full-Block Earplugs)
Surefire - EP7 Sonic Defenders Ultra Foam Earplugs 28dB
Surefire - EP10 Sonic Defenders Foam Earplugs, 30dB NRR
