PREMIUM FOAM EARPLUG CORDED3301130 Howard Leight Max Corded EarplugMAX (NRR 33) pre-shaped foam earplugs feature a smooth outer skin for maximum user comfort
The NRR 33 rating makes the MAX the highest rated disposable earplug in the U
S
The smooth , soil-resistant skin helps prevent dirt from penetrating the surface prior to insertion
Attenuation tested in accordance with ANSI S3.19-1974
