• CeruShield filters protects the receiver from wax related problems
  • Offers patients longer wearing time between filter changes
  • Easy to use dispenser wheel
  • Designed specifically for use with SDS 4.0 receivers (Phonak Marvel Hearing Aids)
  • 3 Cerushield discs with 8 wax guards per disk

Phonak Cerushield Wax Guards (3 packs with 8 guards per pack)