Wet Chemical units are designed specifically for kitchen grease fire hazards and meet the new K class listing now required for all extinguishers installed in restaurant kitchens. They contain a special potassium acetate based, low PH agent, which leaves no chemical residue to clean up. The spray applicator wand keeps the operator a safe distance from the fire. Nomical Capacity 6 liters, Cylinder Diameter 7", Overall Height 25", Overall Width 9". UL Rating -- 2A-K. Comes with a standard mounting bracket. Service tag by others.