Filter Element, Element Material Paper, Compatible Manufacturer Part Number QRS 3, QRS 5, QRS 7.5, Overall Height 2.7 in, Inside Diameter 1 1/8 in, Outside Diameter 2 3/8 in, Compatible Product Type Rotary Screw Compressors, Filter Rating 3 micron, Filtration Efficiency 3 Micron, Maximum Flow Rate Not Applicable, Compressor Output Power 3 hp, 5 hp, 7 1/2 hp. This item has been restricted from sale in the following state (s): []