Compatible: for Hear Clear earwax guards work for Livio, Livio Al and hearing aids, are compatible with for MicroTech, for Audibel and for Nu-Ear hearing aids, and suitable for , RIC, , ITE and CIC hearing aid types.Also suitable for other of hearing aids with wax with a diameter of 1.5mm Function: for wax guards filter can prevent earwax, dust, oil, and moisture from clogging the hearing aid, prevent dust from entering the hearing aid, protect your hearing aid, and extend the service life of the hearing aid! Keep your hearing aids clean and your ears healthy Easy to Use: for hearing aid supplies are easy to operate, just use the removal end to remove the old filter, then use with the filter to install the new filter. Important Notice:If have perforated eardrum, please don' use the Wax Guards. Regularly changing these filters that you ' lose sound, providing consistent and reliable performance for your hearing aid Colour:Blue&Yellow Material:plastic Package Contents: 5box x Wax Guards Filters(8 pieces per box) 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.