【Compatible】- Oticon ProWax is compatible with Oticon and Bernafon hearing aids that previously used Nowax. ProWax serves as a replacement for the discontinued NoWax filter. It features a finer filter compared to NoWax and offers the added benefits of nano coating and moisture resistance.【Incompatible】- Oticon ProWax wax guards filter is also used across the new Inium range of hearing aids, Alta, Nera and Ria (ITE, ITC, CIC, Flex Mould, miniFit Lite and Micro Moulds), but not miniFit Receiver wires (60, 85, 100) such as Oticon Alta, Nera and Ria RITE and miniRITE which use ProWax miniFit.【Quantity of Satisfaction】- Oticon clean accessories kit comes with 4 packs, each pack containing 6 filters, for a total of 24 filters. The kit also includes an additional gift of 1 hearing aid lanyard.【Function】 - Oticon Hearing aid wax guards filters supplies help prevent earwax, dust, oil, and moisture from clogging the hearing aid, thereby extending the lifespan of the device.【Easy to Use】 - Simply use the removal end to take off the old filter, then install the new filter using the end with the mesh. Track Page Views WithAuctiva's Counter