(5 Packs) Phonak Cerustop Wax Traps (40 Wax Traps)Widex,Unitron,Phonak Waxguards to repel ear wax and moisture and maintain hearing aid performance over months of daily useSuitable for most Widex, Phonak and Unitron hearing aidsPrevents loss in performance due to wax build up.5 packs , 8 filters per pack Product Details BrandPhonakManufacturerPhonakMpn098-0282 Suitable for most Widex, Phonak and Unitron hearing aidsPrevents loss in performance due to wax build up.5 packs , 8 filters per pack Check out my other items. -Powered by