Filter Cartridge, Reduces Mineral, Scale, Total Dissolved Solids (TDS), Micron Rating Not Rated, Flow Rate 0.2 gpm, Outside Diameter 3 1/4 in, Overall Height 17 in, Service Life 24 mo, Filter Media Reverse Osmosis Separation, For Use With Steam Boilers, Steamers, Warmers, Application Evaporative Equipment, Steam Boilers, Steamers, Warmers, Compatible Mfr. Model Number MRS-225, MRS-225BL, MRS-225CC, Filter Design Specialty, Filter Type Reverse Osmosis Membrane, Maximum Pressure 100 psi