Dosatron In-Line Filter, 2 Inch (200 Mesh/80 Micron)Filters include a cleanable, permanent, stainless steel filter. No replacement cartridges necessary These filters feature: Polypropylene 200 mesh 80 micron Industrial grade Maintenance: To clean the filter, remove the screen and, using a hose, spray the screen mesh from the outside in. If needed, soak overnight in a mixture of water, vinegar, and dish soap. Then scrub with a small brush or toothbrush. Reinstall