Type: GN Hearing wax guards PN 20439700 filters. Use brush to clean the earwax filter frequently. In such cases, replace the wax filter promptly to maintain optimal sound quality. Easy To Use：Our GN wax guards filters easy to apply and remove without disturbing hearing aid settings, protect your hearing aid, and extend the service life of the hearing aid!
EXPIRED 3-2-20, 9-2-21 12-5-22 112CERUSTOP Ear Wax Guard Filters PN 098-0282 Hearing Aid Phonak/Unitron/Beltone.