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The 3M CUNO TFS450 Cartpak is the correct replacement filter kit for the following system:
The 3M Cuno TFS450 Cartpak Filter Replacement includes (1) prefilter, (1) post filter and (2) Reverse Osmosis (RO) Modules. Also known as part number TFS450 Cartpak, the CUNO filter kit helps to reduce sediment, chlorine taste, odor and total dissolved solvents (TDS). This CUNO water filtration replacement should not be used with water that is microbiologically unsafe or of unknown quality without adequate disinfection before or after the system.
3M CUNO TFS450 Cartpak Filter Replacement Kit Specifications:
The maximum operating water temperature of the CUNO TFS450 Reverse Osmosis Filtration System is 100 degrees Fahrenheit (37.8 degrees Celsius). CUNO recommends that you have regularly scheduled maintenance and replacement of the filter cartridges every 12 months for optimum performance of your water filtration system. These replacement RO filters and membrane features a Sanitary Quick Change (SQC) Style. Be sure to protect your filter cartridges from freezing when the temperatures are expected to drop below 40 degrees Fahrenheit (4.4 degrees Celsius).