Omnipure K5686-JJ Inline GAC 12″ x 2.5″ Postfilter 1/4″QC Inline Coconut Shell GAC Filter with Polyphosphate Media, which helps Inhibit Scale, reduces chlorine, bad taste, and odor, and is NSF certified. This inline GAC Postfilter has a flow rate of 0.5 gallons per minute and a capacity of 2,000 gallons.Icemakers, Refrigerators, Under-the-counter, Drinking fountains, Beverage Equipment, R.O. Systems, and in conjunction with Commercial Purification Systems. Description Applicationchlorine, bad taste, and odor Scale Inhibitor depth filtration. Filters down to 5 microns. Model NumberK5686-JJ Filter Length12″Made inUSA Service Life -6 Months Degree of Nominal Filtration5 Microns Pipe Size O.D. 1/4″ QC Most common fittings use with Service Flow Rate:0.50 GPM (1.9 LPM) Maximum Pressure:125 PSIG Temperature35-100°F (2-38°C)