Ear Protection NP363 EARPLUG Posted on November 28, 2012 by admin Description NP363 EARPLUG With plastic case, key chain & neck string Features NP363 EARPLUG CE EN352-2 ANSI S3.19 (1)TPR material (2)with plastic case, key chain & neck string (3)SNR=29dB, NRR=25dB admin NP35K EARPLUG NP364 EARPLUG