Omnipure K2586 Inline K-Series GAC with Phosphate Filter - 4 Oz Capacity: 6 Months/1,250 Gallons, Fitting Size: 1/4" For quick connect fittings Omnipure Flow Rate: 0.50 GPM (1.9 LPM) Maximum Pressure: 125 PSIG Temperature: 35-100o F (2-38o C) Tested and Certified by NSF International against ANSI/NSF Standard 42 for Taste and Odor Reduction and Chlorine Reduction Class I Body size: 2" x 10"