The Omnipure K-Series K5586-BB inline filter is a phosphate GAC inline filter. This filter has 1/4 FQC quick connect fittings that make the filter easy to install and remove. This filter can be used in ice makers, refrigerators, beverage equipment, drinking fountains, under the counter systems, R.O.Systems and in conjunction with purification systems. This filter aids in the removal of taste, odor and chlorine taste and odor along with a polyphosphate scale inhibitor. Dimensions: 2.5" W X 10" L Flow Rate: .5 GPM Maximum Pressure: 125 PSI Maximum Temperature: 100 F Service Life: 6 Months or 1500 Gallons Filtration Media: Granulated Activated Carbon with Polyphosphate Scale Inhibitor Reduces: Chlorine Taste & Odor Reduces: Particulates Class 1 Reduces: Scale and Lime Scale Volume Cubic Inch: 28.6 Fitting Size: 1/4" FQC Omnipure K5586-JJ has been tested for performance under NSF Standard 42.