Description
4 wax guard filters in 2 packs, each pack includes 2 filters and 1 stick..Fit for hearing aids like Vivtone AU01 / AU02 and other similar devices..The diameter of the wax filter is 1.6*1.66mm. It's compatible with all ITC CIC hearing aids need this size. Be sure that the size is right for your devices..Suggest to check the hearing aids daily for wax build up, and replace the wax filter when necessery for better hearing experience..Use simply push-and-pull to install or remove wax guard or just follow instrcution as the picture shows.