The Omnipure K-Series K2586-JJ inline filter is a GAC phosphate inline filter. This filter has 1/4 quick connect fittings that make the filter really easy to install and replace. This filter can go in ice makers, refrigerators, beverage equipment, drinking fountains, under the counter systems, R.O.Systems and in conjunction with purification systems. This filter also helps in the removal of taste, odor and chlorine along with 2 ounces of polyphosphate scale inhibitor.Dimensions: 2" W X 10" LFlow Rate: .5 GPMMaximum Pressure: 125 PSIMaximum Temperature: 100 FService Life: 6 Months or 1250 GallonsFiltration Media: Granulated Activated Carbon with Polyphosphate Scale Inhibitor (60/40)Reduces: Chlorine Taste & OdorReduces: Particulates Class 1Reduces: Scale and Lime Scale (4 OZ. Polyphosphate)Volume Cubic Inch: 18.5Fitting Size: 1/4" FQCOmnipure K2586-JJ has been tested for performance under NSF Standard 42.