Feature:1. Prevent Blocking: Hearing aid filter is waterproof and oil proof, which can effective prevent earwax, dust and other foreign matter blocking the horn.2. Avoid Foreign Objects Enter: Hearing aid guards can prevent foreign objects from entering the hearing aid and affecting the normal operation.3. Extend Service Life: Hearing aid wax guard can improve the durability and reliability of the hearing aids, effectively prolong the service life.4. Simple To Install: Hearing aid wax filter is compact in size and easy to install, which can make sure the elderly or other groups use it easily.5. Excellent PP: Hearing aids filter guards made of high quality PP materials, safe and durable, which can be used for a long time.Specification:Item Type: Hearing Aid FilterMaterial: PPFunction: Prevent earwax, dust and other foreign matter blocking hearing aids horn.Package List:1 x Hearing Aid Filter