[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 [WASHABLE&REUSABLE]:Humidifier Filters Replacement are washable and resuable, which can be replaced perfectly every 6 to 12 months. High quality filters can be used for 3-4 times according to normal conditions. To maximize performance, it is suggested only fill humidifier tank with distilled water [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 [EASY INSTALL&REMOVE]:1043 Humidifier Filters Easy to replace, no tools required, just cost you few minutes. Simply run the humidifier out of water. Remove the top, and then there is a frame you need to remove. Replace the old wick with new, put the frame on the wick