Each disck contains 8 wax guards/filters.
This listing contains of 4 packs Phonak CeruShield.
Wax guards to repel ear wax and moisture and maintain hearing aid performance over months of daily use.
We suggest changing the CeruShield filter when the hearing aid volume or sound quality is reduced or if the receiver spout looks dirty.
Phonak CeruShield disk Wax Guards fit Phonak Audeo Marvel and Phonak Audeo Paradise (RIC) hearing aids.