zebra skimmers has the largest collection of coolant maintenance equipment. products include oil skimmers, coalescers, mixers, pumps, testing equipment, and accessories. proper maintenance improves quality, extends mwf life and tool life, while reducing waste and cost. the web site contains product information and an overview of the basic knowledge necessary to maximize the life of your mwf. use the table of contents to locate address any question you may have regarding mwf maintenance.