Product review (1 stars): Don't waste your money.
I bought these to save money. They ended up being a complete waste.

I've been struggling to humidify my home to 40%. It's a little over 3,200 sq. ft. My humidifier was rated up to 3,600 sq. ft. Nevertheless, my first thought was that I needed a second unit to keep up. So I bought one.

At first, the new unit and OEM filter wicked twice as much water as the old unit and off-brand filter. By the end of the week, it was wicking ten times as much water. Which leads me to believe these cheap filters are worthless.

I bit the bullet and bought the more expensive OEM filters. I'll throw away what's left of these. Not sure how they have any positive reviews.