MULTIPURE CB5 Water Filter Filtration Replacement. Fits Model MPC250, MP400 and MP400PC Plastic Counter Systems. Good for 400 gallons of pure water or 1 year whichever comes first) Removes many chemicals by absorption-chlorine, chloramine, chlordane, lead, mercury, mtbe, PCBs, taste and odors, toxaphene Is NOT compatible with Omni filter by same model number due to size difference. Multipure Independent Distributor, ID#391634 Removes Asbestos, cysts, turbidity by mechanical filtration Compatible with the following Drinking Water Systems: MP400PC & MP400PCE