This extinguisher offers greater fire-fighting capacity and cooling effect to combat very hot and difficult restaurant kitchen fires. The extinguisher contains a potassium-acetate-based low-PH agent that is discharged as a fine mist to help prevent grease splash and re-flash while cooling kitchen appliances. The superior fire-fighting capability of the wet chemical agent is placed exactly where you aim it with no chemical residue to clean up. This 6-liter stainless steel cylinder offers an easy-to-use hose and spray application nozzle. Unit has been tested and approved for the new Class K listing by UL specifically for restaurant kitchen hazards.