3M™ Water Filtration Products Replacement Filter Cartridge, Model CFS8112EL, 4 per case, (Part No.: 55817-25 / 70020015973)
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Important: Do not use with water that is microbiologically unsafe or of unknown quality without adequate disinfection before or after the system. The contaminants or other substances removed or reduced by the water filter device are not necessarily in your water.