CeruShield disk protects Phonak 4.0 receivers from having wax build up in the hearing aid receivers. Easy tool to use that is necessary to change the CeruShields in side the receivers to help optimize the sound of the hearing aid over periods of time wearing. Each disk contains 8 CeruShields.
CeruShield disk protects Phonak 4.0 receivers from having wax build up in the hearing aid receivers. Easy tool to use that is necessary to change the CeruShields in side the receivers to help optimize the sound of the hearing aid
