Siemens 'C' Grid wax protection system
For ITE hearing aids. Replacement for the C Guard
With C-Grid from Siemens you have received the next generation of wax protection. The only wax guard to use the latest in wax proofing technology, C-Grid effectively seals the sound outlet with a membrane barrier to protect it from cerumen and moisture. It works without affecting the hearing instrument response because the membrane is acoustically transparent.