Compatible with MiniFit ProWax filters for 60, 85, and 100db miniRITE receivers. Not compatible with custom molded hearing aids. Each hearing aid cleaning kit includes 6 filters per pack, with 5 packs totaling 30 filters. Easy to use: Use the removal tool to take out the old filter, then insert the new filter using the applicator. Maintain optimal sound quality by regularly replacing the wax guards. These earwax protection filters help prevent earwax, dust, oil, and moisture from clogging the hearing aid, protecting the device and extending its lifespan. Color: Gray Material: Plastic Package Contents: 5 x Wax Guard Filters (only the items listed are included; other products not included) Note: Due to light reflection and display differences, the color in the image may vary slightly from the actual product. Measurement may vary by +/- 1-3 cm.