Product review (5 stars): great humidifier, filters easy to change.
The humidifier these are used for is the best I have ever had. It uses regular water so I don't have to carry home 7 hugs of distilled water every week. The filters are extremely easy to change. I bought a new humidifier at the end of winter last year that used regular water but I could never figure out how to change the filter.and gave up on it. This is the best humidifier I have found.  Works very well, no special water, easy to change filters. What more could you ask for?