The Hankison E1-24 is a Grade 1 high-efficiency oil-removing vapor filter element (OEM internal part number is typically 3210776) specifically designed for compressed air systems. It is primarily used to remove odors, hydrocarbons, and trace amounts of oil mist from the air. It is typically installed downstream of refrigerated dryers or at the end-use point of precision manufacturing equipment to provide completely odorless, pure air for food and pharmaceutical manufacturing, breathing air, or gas processing.