Specification for Noise stoppers; Attenuation level: 31dB
| Type of OSH component | noise stoppers |
| OSH features | easy to use and clean, linked with elastic cord, provide comfortable working and living in places with high noise |
| Attenuation level | 31dB |
| Type of OSH component | noise stoppers |
| OSH features | easy to use and clean, linked with elastic cord, provide comfortable working and living in places with high noise |
| Attenuation level | 31dB |