Also Compatible with Essick 821000,821001,826000,826800,831000,SS390DWHT.
Hard water degrades ALL compatible air care humidifier filters and yellows them prematurely. For best performance,filter should be replaced about every 2-3 months (depending on use and local water quality). Our filters can increase the humidity in the dry season and create a comfortable home environment for you.
Easy to install and remove :Simply run the humidier out of water. Remove the top, there is a frame you need to remove. Remove the old wick, replace with new, put the frame on the wick.