(6 Packs) Phonak Cerustop Wax Traps (48 Units)Widex,Unitron,Phonak Waxguards to repel ear wax and moisture and maintain hearing aid performance over months of daily use Product Details BrandPhonak CerustopProduct TypeHearing Aids Amplifiers And Accessories Suitable for most Widex, Phonak and Unitron hearing aidsPrevents loss in performance due to wax build up.6 packs , 8 filters per pack Check out my other items. -Powered by