Four flange ear plugs
- Unique 4 layer cut off design enhances the sound-insulated effect.
- Front end spatial design fits ear channel to reduces ear intermal pressure for wearer comfort.
- Terrninal stem moulded-in non-slip use for easy insertion into ear canal.
- Without neck string pair in a polybag for economical.

Four flange ear plugs
- EP561-51 : ANSI 12.42 & S3.19 (NRR:27dB)
- EP561-56 : CE EN352-2 (SNR:28dB)