Quick Connect Filter, For Use With ScaleGard Reverse Osmosis Replacement Filter , Reduces Total Dissolved Solids (TDS), Flow Rate 100 gpm, Diameter 3 1/4 in, Overall Height 12 in, Service Life 100 gal, Filter Media Carbon, Maximum Temperature 100 Degrees F, Application Commercial Foodservice, Standards NSF 42, NSF 53, NSF 58, Series 3M CFS, Compatible Mfr. Model Number 5636204, HF65-CL, Compatible with Grainger Part Number 54EJ74, 54EJ76