Cyclone grease filters are used in professional and industrial kitchens as a means of separating the grease from the exhaust air in extract hoods.
What Cyclone filter units have been designed to do is remove small grease particles from the air stream.
This kind of cyclone filters extract grease particles of sizes >5 um.
The material cyclone filters are most commonly manufactured in is stainless steel, usually AISI 304.
Example of a cyclone grease filter