[WIDE COMPATIBILITY]:①The 1043 humidifier filter replacement perfectly fits for , , Essick Air Humidifier ②Fits Air Humidifier Models: EP9500, EP9R500, EP9800, EP9R800, EP9700, EP9R700, 826000, 826800, 831000, SS390DWHT, 821000, 821001, EP9500, EP9R500, EP9800, EP9R800, EP9700, EP9R700, 826000, 826800, 831000, SS390DWHT, 821000, 82100 and others. To make sure a pleasant buying, you'd better check this 1043 Air Humidifier in size, model & product number [PREMIUM FILTRATION& DESIGN]:Our humidifier filter 1043 is made of high quality materials, does a very good perform of filtering out the hardness minerals in the water and prevents white powder from entering the indoor air. Humidifier wick filter with pad design, which allows for absorption of water for maximum moisture output. 1043 filters with the aim of increasing the humidity in the dry climate and creating a comfortable environment [WASHABLE&REUSABLE]:Humidifier Filters Replacement are washable and resuable, which can be replaced