Product review (1 stars): Expensive and they suck
I had to buy these filters to replace the original ones that came with my humidifier. If I knew then what I know now, I never would've bought this humidifier in the first place. In theory, I love it, but in practice, it's really going to be expensive because of the filters.
I tried soaking the original filters when they turned pink after about 3 weeks of use (which is a crazy-short lifespan for a $25 product, btw) and they were totally destroyed by soaking. The black layer comes off in tiny pieces and gets lodged in the white part. There were thousands of tiny black specs all over it because that x-layer fell apart. I tried putting it back into the humidifier until my replacement filters came. It looked like a saggy mess. The humidifier ran, but very little water was emptying from the water tanks.
These new ones I got seem to be too tall to fit properly in my humidifier, and I know it's the right kind, I checked my manual multiple times just to be sure I got the right filters. The doors didn't want to close back up with these in it. I got them in after a loud struggle that lasted about 30 mins.
Next year, I'll try to find a humidifier with reusable filters or at least much cheaper filters unless Holmes can replace this pile of crap with something better (ie: washable, reusable filters or lower the price).