3M??OCS Water Cooler Replacement Cartridge, Model WCF110-L provides consistent high-quality water for office water coolers by reducing sediment*, cyst**, chlorine taste and odor, lead, benzene, dichlorobenzene and toxaphene from incoming water. The Sanitary Quick Change (SQC) encapsulated design allows for fast and easy change-outs without need for a filter wrench. Use in VB2/WCF110-L systems.