Filter , Reduces Scale, Micron Rating Not Rated, Flow Rate 1 gpm, Outside Diameter 3 1/4 in, Overall Height 10 1/2 in, Service Life 25,000 gal, Filter Media Hydroblend Polyphosphate, For Use With Mfr. No. MRS-600HE, Application Reverse Osmosis Systems, Media Polyphosphate, Compatible Mfr. Model Number MRS-600HE, Filter Design Specialty, Maximum Pressure 125 psi, Maximum Temperature 100 Degrees F, Minimum Pressure 10 psi, Minimum Temperature 35 Degrees F, Series 2SR-BW