[WIDE COMPATIBILITY] The 1043 humidifier filter replacement is compatible with Aircare, Bemis, and Essick Air humidifiers. Fits models: EP9500, EP9R500, EP9800, EP9R800, EP9700, EP9R700, 826000, 826800, 831000, SS390DWHT, 821000, 821001, and 82100. Please verify compatibility by checking the size, model number, and product number before purchase. [PREMIUM FILTRATION & UNIQUE DESIGN] Made from high-quality materials, this 1043 humidifier filter effectively reduces mineral deposits in water and helps prevent white dust from entering indoor air. Features a wick pad design for optimal water absorption and maximum moisture output. Designed to increase humidity in dry environments and support a comfortable indoor atmosphere. [WASHABLE & REUSABLE] This filter is washable and reusable. Under normal conditions, it can be cleaned and reused up to three or four times. For best performance, replace every 6 to 12 months. Use only distilled water in the humidifier tank to extend filter life and maintain efficiency. [EASY INSTALL & REMOVE] Simple installation and replacement—no tools required. Turn off and empty the humidifier. Remove the top cover, then remove the frame holding the wick. Replace the old wick with the new one, reassemble the frame, and reinstall. Color: White Material: Wood pulp paper Package Includes: 1 x filter element Note: Color may vary slightly due to lighting and screen settings. Measurements may vary by ±1–3 cm.