HF3 Wax Guard Wheel Waterproof Oil Proof Compact Cleaning Tool Accessory Hearing Aid Filter Feature: 1. Good Waterproof Performance: Hearing aid guard is both waterproof and oil resistant, which can effectively prevent foreign objects such as earwax and dust from clogging the speakers. 2. Prevent Objects Enter: The wax filters can prevent foreign objects from entering the hearing aid and affecting the normal operation of the hearing aid. 3. Prolonged Service Life: Hearing aids can prevent earwax from accumulating in the earpieces, extending the service life of the hearing aids. 4. Superior Durability: The hearing aid filter is made of high quality materials to ensure long term durability with guaranteed quality. 5. Easy Installation: HF3 wax guard does not take much effort and time to ensure that the elderly or other groups can operate with confidence and quickly. Specification: Item Type:HearingAidFilter Material: Plastic Function: Prevent foreign objects such as earwax dust from blocking the speaker of the hearing aid Package List: 1 x box of HearingAidFilter Note: If there is no net lifter or it has been lost, you can install it by hand and be careful not to drop it.