COMPRESSED AIR FILTER ELEMENT, FILTER TYPE ACTIVATED CARBON, FILTER RATING 0.01 MICRON, FILTER ELEMENT MATERIAL MICROGLASS, COMPATIBLE GRAINGER PART NUMBER 35GL25, 35GL29, 35GL33, COMPATIBLE MANUFACTURER PART NUMBER 35GL25, 35GL29, 35GL33, FOR FLUID TYPE OIL, FOR SUBSTANCE TYPE AIR, MAXIMUM FLOW RATE 185 CFM, SERIES EFX, STANDARDS ISO 8573