Reliable Compatibility: Wax guards filters are compatible with a wide range of devices from Resound, Widex, and Unitron, making them suitable for most CIC, ITE, and hearing aids, ensuring a hassle-free experience Function: Hearing aid supplies help prevent earwax, dust, oil, and moisture from clogging the hearing aid, protect your hearing aid, and extend its service life. Keep your hearing aids clean and your ears healthy Easy to Use: Hearing aid cleaning tools and accessories are easy to operate. Use the removal end to take out the old filter, then install the new filter Important Notice: If you have a perforated eardrum, do not use the Wax Guards. Regularly changing these filters helps maintain sound quality and ensures consistent and reliable performance for your hearing aid Color: White & Black Material: Plastic Package Contents: 5 packs x Wax Guard Filters Only the above package content is included; other products are not included Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement error allowance is +/- 1-3 cm