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Features and Benefits:
Comfortable
Long tapered-bullet design, excellent protection against industrial-environment noise
Soft PU foam material for low pressure inside the ear Slow rebound allows fully attach to ear canal
Design to fit majority ear canal with premium comfort and protection

Convenient
Bullet design fits most ear canals making the plugs easier to use Dispenser available (ED-250, ED-500)
Nylon cord or PVC cord helps prevent earplugs loss  


Frequency [Hz] 125 250 500 1000 2000 4000 8000
Sound attenuation Mf [dB] 28.7 32.2 39.6 40.5 37.9 42.2 46.3
Standard deviation Sf [dB] 3.6 5.2 5.4 4.3 2.9 3.1 5.4
APV Mf-Sf [dB] 25.1 27.0 34.2 36.2 35.0 39.1 40.9

 

SNR=37dB H=37dB M=35dB L=30dB
SNRm=39.5dB Hm=39.4dB Mm=38.1dB Lm=34.0dB
SNRs=2.5dB Hs=2.5dB Ms=2.9dB Ls=3.6dB

 

EN 352-2:2020 SNR 37 dB

ANSI S3. 19-1974
Noise Reduction Rate NRR 33dB
AS/NZS 1270: 2002
SLC(80) 26.4dB CLASS 5