Phonak CeruShield Disk is the new wax system from Phonak designed as an easy to use dispenser wheel.
It’s compatible with Phonak & Unitron SDS 4.0 receivers, including:
Phonak Marvel,
Phonak Paradise,
Unitron Blu,
Unitron Discover,
Unitron Discover Next.
Etc.
CeruShield Disk wax guards is NOT compatible with older model hearing aids and older receivers before 11/2018.