The USOR170 Replacement Filter Element is specifically designed for the Kaeser KOR-170 model, with a particulate size of 0.01 microns. This unit is essential for maintaining the performance and efficiency of the Kaeser compressor, ensuring clean and filtered air for various industrial applications. Made by the trusted brand Kaeser, this filter element is a reliable and high-quality component for keeping your system running smoothly. KOR-170 OR-170 this is for the red filter oil mist eliminator, aftermarket filter comes in a white but identified as red as shown in the description and pictures! Any other questions please message SPX , Hankison, clear air , oil, mist, and water removal.