The Omnipure SL10-B is a 2" x 10" Phosphate Inline Filter. This filter has 1/4" FPT fittings. It can be used in ice machines, water coolers, drinking fountains, under the sink systems, and reverse osmosis systems. This filter aids in controlling lime and scale deposits.Specifications: Dimensions: 2" W X 10" L Flow Rate: .5 GPM Maximum Pressure: 125 PSIG Maximum Temperature: 100 F Volume Cubic Inch: 16.6 Pipe Size NPT: 1/4"