Feature 1Waterproof and oilproof filters can prevent earwax or water from staying inside, thus extending the life of the hearing aid equipment. 2Easy to install, ensuring ease of use for older or other groups, practical accessory. 3Prevent earwax dust and other foreign matter from blocking the horn. 4Extended the service life of hearing aid, including 8pcs of the packaged to meet your needs. 5High quality plastic material manufacturing ensuring maximum durability.SpecificationCondition: 100% Brand NewItem Type: Hearing Aid Wax GuardsMaterial: Plastic Hole Diameter: Approx. 2mm / 0.08inSuitable for hearing aid: For OticonUsage: Take out the old hearing aid wax guards with the net, clean the bell mouth, use the other end of the net to jam the hearing aid wax guards, load the bell mouth, gently test whether the wax is firm or notNotes:1. Always clean hearing aid wax guards with a small brush2. Replace hearing aid wax guards once every six months to once a year according to earwax conditions3. Be sure to install firmly after installation to avoid falling into ear canal .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Box of Hearing Aid Wax Guards (8pcs)