Phonak CeruShield Disk is the new wax system from Phonak designed as an easy to use dispenser wheel. For use with Phonak Marvel and Paradise hearing aids.  8 wax guards per disk.

This listing is for a bulk order of 5 disks - 40 Guards

https://marvel-support.phonak.com/en/audeo-m/general/how-do-i-change-the-cerushield-filter-of-my-phonak-marvel-hearing-aid/