Loading... Please wait...CP2002-2W - Filtration Systems, Bag and Cartridge, for Water Based Machine Coolants. Full System with two, 10, Big Blue Housings (one bag and one cartidge) plus Valves to Filter 2 Sumps. 3 way Valve (Turn 2 valves and filter 2 sumps). Place this between two machines and filter first one then the other. Does not filter two machines at once. If you try to filter two machines at once; one sump will empty and the other will fill up and overflow. Typically extends machine coolant life to one year.