Product review (2 stars): Good for low usage
If you live in an area that doesn't need a lot of water added to the air, or if you live in a space small enough that your humidifier can keep up these are fine. In the SW (Vegas/Phoenix) I run two 5 gal humidifiers (one upstairs, one down) and these wicks just can't keep up. Stick with the Essick in high volume environments.