Usage Tips:[FITS MODOLS] - 1043 super wick humidifier filter by TOMOON - Specially for Essick Air AiRCARE 821000 EP9 EP9R 826000 826800 821000 etc Series Humidifiers.(Dimentions in 11.8inch x 11.1inch x 3.9inch)<br> [PROFESSIONAL DESIGN & ADVANCED MATERIALS] - Our AIRCARE1043 super wick replacement filter with the hot glue strips and dense construction ,Prevent 'slumping' or 'sagging' over time or when wet.High-quality reinforced mesh paper+Cotton Fibers Materials,has small resistance, large dust holding capacity, moisture resistance etc advantage,Far superior competitor paper filter.<br> [HIGH FILTRATION PERFORMANCE ] - for Essick Air Humidifier filters 1043 does a very good job of filtering out the hardness min-erals in the water . and prevents a white powder from entering the room air and depositing on everything in sight.<br> [REUSABLE&EASY INSTALLATION] - It is fairly easy to install Our AIRCARE 1043 super wick . Simply run the humidifier out of water, Remove the top, remove the frame and the old wick, replace with , put the frame on the wick.To maximize performance,Recommended only fill humidifier tank with distilled water , wick replacement is every 2-3 months, or at least once per season.<br> Colour:White<br> Material:filter cotton<br> Size:30x28x10cm<br> Package Contents:<br> 1 * Humidifier Filter<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.