Surefire Sonic Dfndr Lrg Blk 1 Pair #ArmorUp higher concentrations can be the

higher concentrations can be the result of poorly shielded electronic equipment

We do not recommend this mask for people with smaller-than-average head shapes

They are far more susceptible to airborne contaminants and respiratory damage

Meets all requirements under EN 136:1998

Surefire Sonic Dfndr Lrg Blk 1 Pair #ArmorUp higher concentrations can be theSureFire earplugs were developed to protect military and law enforcement personnel from harmful sounds. In addition to offering protection, these filtered earplugs allow normal conversations to pass through. SureFire earplugs feature patented EarLock retention rings that provide a secure fit and all day comfort. Features : 28dB Noise Reduction Rating Patented EarLock Retention Rings Hypoallergenic, Medical Grade Polymer