Went in because my right side hearing aid was no longer functioning. Suspected wax filter…which to be honest, until looking it up I did not know they had. Went in without appointment, they checked it out, confirmed it was the filter, changed the one I was having trouble with, confirmed it now worked and sold me more filters and three desiccant blocks for my night time dryer. Total cost- $12.00. That is a win any day.