Product review (1 stars): Never buy a holmes humidifier again
I bought a holmes humidifier last year, it requires this extremely over-priced filters every 1-2 months even you have very soft water. I was trying to find the replace filters in local stores this year and can not find it anywhere. Seems like to shop online is the only way to get the filters, the worst thing is the price this year is almost double compare to last year.

I guess you probably will not find the filters next year, even you are lucky to find any, expect the price to be doubled again. Shame on Holmes, why can not they just stick with several lines of humidifiers using same size filters?