CeruShield Disk is the Phonak and Unitron's proprietary wax protection system, specially designed to be compatible with Marvel, Paradise SDS and Moxi Blu 4.0 receivers only.
All receivers are equipped with a CeruShield filter placed inside the receiver spout.
We suggest changing the CeruShield filter when the hearing aid volume or sound quality is reduced or if the receiver spout looks dirty.
Each CeruShield Disk has 8 fresh CeruShield wax filters and 8 positions for used filters.
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