The Omnipure K-Series K5628 inline filter is a pre R.O. inline filter. This filter comes in 1/4" quick connect and 1/4" FPT fittings that make this filter easy to install and replace. 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. Dimensions: 2.5" W X 12" L Flow Rate: .5 GPM Maximum Pressure: 125 PSIG Maximum Temperature: 100 F Service Life: 1 Year or 2500 Gallons Filtration Media: Granulated Activated Carbon Volume Cubic Inch: 35.5 Fitting Size: 1/4" QC and 1/4" FPT fittings