Carbon Filter Element, Filter Type Oil Vapour Removal, Filter Rating 0.003 micron, Compatible Grainger Part Number 4HDL1, Compatible Manufacturer Part Number AC010ANFI, Filter Efficiency Not Applicable, 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