Below you will find various technical documents and tables relating to ProtectHear® personally moulded earplugs.
Download a visual of how the ProtectHear® vented ‘filter’ works. The filter enables you to hear the environment around you whilst still protecting from Noise Induced Hearing Loss (NIHL).
Download a PDF of the ProtectHear® operating instructions.
The table below shows the attenuation figures for both ProtectHear® vented and solid earplugs.