Compatible with MiniFit ProWax filters for use with 60, 85, and 100db miniRITE receivers. Not compatible with custom molded hearing aids. Each pack includes 6 filters, 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. Regularly replace wax guards to maintain optimal sound quality. These earwax protection filters help prevent earwax, dust, oil, and moisture from clogging the device, protecting your hearing aid and extending its lifespan. Color: Gray Material: Plastic Package Contents: 5 x Wax Guards Filters (only the listed items 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 error allowance is +/- 1-3 cm.