Humidifier Filter Replacement for 1043 Essick Bemis Aircare  (2-Pack) Aftermarket Product Sourced Exclusively by EFP - Exact Fit Parts High Quality Humidifier Wick Filter for Bemis Essick Air 1043 Super Wick, EP9 500, EP9 800 Includes (2) Humidifier Filters as pictured Approximate Measurements: 12-1/2 x 10-1/2 x 4-1/4