Compatible: - for MiniFit ProWax filters are compatible with 60, 85, and 100db miniRITE receivers. Not compatible with for custom molded hearing aids. Satisfactory Quantity: - for hearing aid cleaning kit accessories contain 6 filters per pack, 5 packs total 30 filters. Easy to use: - for hearing aid cleaning kit supplies are simple to operate, just use the removal end to remove the old filter, and then use with the filter to install the new filter. Maintenance and Function: - for Prowax Minifit wax guards filters and replace them frequently to maintain the best sound quality. for earwax protection filters can prevent earwax, dust, oil, and moisture from clogging hearing aids, prevent earwax from entering the hearing aids, protect hearing aids, and extend the life of hearing aids! Colour:Gray Material:plastic Package Contents: 5 x Wax Guards Filters Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.