Compatible: Our GN wax guards fits most CIC, , ITE and RIC( or RIE) hearing aids for , for Unitron, for Widex and some from Resound, , it does not fit for Signia and for hearing aids Advantages of GN Wax Guards Filter: Ensures sound quality, to moisture and dirt,Extends the lifespan of the hearing aid,Prevents repairs 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! Keep your hearing aids clean and your ears healthy. Replace When Necessary: If your GN wax guards filter becomes clogged with earwax or debris, it can affect the performance of your hearing aid. In such cases, replace the wax filter promptly to maintain optimal sound quality. Color: As Shown Material: plastic Package Contents: 3 * Anti-earwax mesh 1 set * Cleaning tools Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.