Coalescing Filter Element Filter Type Coalescing Particulate Filter Rating 0.01 micron Compatible Grainger Part Number 4HDT3 Compatible Manufacturer Part Number AA045HNFI Filter Efficiency 99.9999 Percent For Fluid Type Compressed Air Nitrogen Gas For Substance Type Air Nitrogen Series OIL-X EVOLUTION Genuine Standards All Editions of ISO 8573-1 ISO 12500-1