Feature 1Prevent Blocking: Hearing aid filter is waterproof and oil proof, which can effective prevent earwax, dust and other foreign matter blocking the horn. 2Avoid Foreign Objects Enter: Hearing aid guards can prevent foreign objects from entering the hearing aid and affecting the normal operation. 3Extend Service Life: Hearing aid wax guard can improve the durability and reliability of the hearing aids, effectively prolong the service life. 4Simple 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. 5Excellent PP: Hearing aids filter guards made of high quality PP materials, safe and durable, which can be used for a long time.SpecificationItem Type: HearingAidFilterMaterial: PPFunction: Prevent earwax, dust and other foreign matter blocking hearing aids horn .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 HearingAidFilter