The 1045 Super Wick Filters are compatible with Essick Air AIRCARE Models H12300, H12300HB, H12400, H12400HB, H12600, H12600, H12001, H12AEUO, H12AUKP Series Humidifiers. Please check your machine before purchasing. FEATURES: Superior Material: Our 1045 super humidifier wick filter with the hot glue strips and dense construction is made from high-quality reinforced mesh paper and adopts advanced lower-density structure technology. Performance Filtration: Does a very good job of filtering out the hardness minerals in the water and prevents a white powder from entering the room air and depositing on everything in sight. Easy to Install: Hassle-free and user-friendly, the replacement process is quick and straightforward. Take out and replace your machine unit when needed. PACKAGE CONTAINS: 2 x 1045 Super Wick Filters Replacement WARM TIPS: For best performance, we recommend that you fill the humidifier tank with distilled water and replace the filter every 2-3 months (depending on your specific usage). Kindly Note: This is not a OEM product, Any use of OEM brand name or model designation for this product is made solely for purposes of demonstrating compatibility.