Compatible: Our GN wax guards fit most CIC, ITE, and RIC (or RIE) hearing aids from Unitron, Widex, and some models from Resound. They are not compatible with Signia hearing aids. GN wax guards help protect hearing aids from earwax and debris, reducing the need for repairs and extending device lifespan. Easy to use: The wax filter is simple to replace, and a tool for insertion and removal is included, making it ideal for elderly users or those with limited dexterity. Replace when necessary: If the wax guard becomes clogged with earwax or debris, sound performance may be affected. Replace the filter promptly to maintain optimal sound quality. It is recommended to replace the wax filter every 4 weeks. Regular maintenance: To ensure optimal hearing aid performance, regularly check and replace the GN wax guards PN 20439700. Failure to do so may result in reduced sound quality or potential device damage. Color: White Material: Plastic Package contents: 5 x Hearing aid wax guards Note: Light reflection and different display settings may cause slight color variations between the image and the actual item. Measurement allowance is +/- 1-3 cm.