Feature: 1. Prevent earwax dust and other substances blocking the horn of hearing aids. 2. Made of quality ABS material, durable and ensuring long term using. 3. Suitable for most kinds of hearing aids, wonderful and practical tool. 4. Protects against wax and moisture, easy to use on hearing aid. 5. Help maintain hearing aids performance, including 8pcs of the package. Specification: Condition: 100% Brand New Item Type: Earwax Filters Material: ABS Usage: Take out the old earwax filter with net filter Cleaning horn mouth Use the other end of the net filter to stuck the earwax filter Install into the horn mouth Gently test your hand for firmness. Package List: 1 x Box of Earwax Filters (8pcs) Note: 1. Use a small brush cleaning the earwax filters from time to time2. Replace the earwax filter every six months to a year according to the condition of earwax3. Make sure that the earwax filters is firmly installed after installation to avoid falling into the ear canal