Product review (5 stars): Works very well.
Seems a bit unfair to leave a 2 star review because a buyer didn't read the product description.  I have found these pads to work perfectly and are so very much cheaper than the air-o-swiss offering.  Does the same job and does it well. I decalcify  my steam humidifier every one to two weeks and the job is much easier with these pads in my air-o-swiss machine. Good product that does the job it is designed for