This 10 micron filter cartridge will pay for itself in no time. Keeps your detergent clean longer, thus, extending the detergent life span and saving you money. When your parts washing detergent gets dirty, it gets less effective. And it costs you significant money to replace it. The longer it lasts, the more money you save. Filters down to 10 microns to help remove particulates, oil dirt and more. It's smart to stock up on this six pack so you'll have plenty for the future.