Features and Benefits:
Comfortable
Soft PU foam material for low pressure inside the ear Slow rebound allows fully attach to ear canal
Convenient
Dispenser available (ED-250, ED-500)
Nylon cord or PVC cord helps prevent earplugs loss
Compatible with
Designed to be compatible with earmuff or other PPE
| Frequency (Hz) | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 |
| Sound attenuation MI [dB] | 31.7 | 31.5 | 35.5 | 37.3 | 36.7 | 43.2 | 45.0 |
| Standard deviation Sr [dB] | 3.6 | 4.4 | 4.2 | 4.1 | 4.1 | 4.0 | 3.0 |
| APV Mf-Sf (dB) | 28.1 | 27.1 | 31.2 | 33.2 | 32.6 | 39.2 | 42.0 |
| SNR=35dB | H=35dB | M=33dB | L=30dB |
| SNR.=38.2d8 | Hm=38.3dB | M==36.2dB | Ln=33.7dB |
| SNR2=2.9dB | Hy=3.4dB | Mr=3.2dB | L=3.4dB |
EN 352-2:2020 SNR 34dB
ANSI S3. 19-1974 Noise Reduction Rate
NRR 28dB
