Feature:1. Waterproof and Oil Resistant: Even if water and oil are accidentally splashed, there is no need to worry about affecting the use of hearing aids, helping to prolong the service life of hearing aids.2. Durable and Reliable: It can effectively prevent foreign objects such as earwax and dust from blocking the speaker, keep the hearing aid clean, and help the hearing aid to work normally.3. Light and Thin: The filter itself is lightweight and does not burden or stress the user's ears with the extra weight of the hearing aid.4. Material: Made of high quality materials to ensure long term durability, no need to be replaced repeatedly, affecting the normal operation of hearing aids.5. Easy to Operate: Easy to install, easy to operate, to ensure that the elderly or other groups can effectively and simply clean the hearing aids.Specification:Item Type: Hearing AidFunction: Prevent earwax dust and other foreign matters from blocking the hearing aid speaker..Package List:1 x Hearing Aid FilterNote:If there is no net reader or it has been lost, you can install it by hand and be careful not to drop it.