CPU: CLEANING POWDER UNIT. SMALL CONTAINER USED TO HOLD CLEANING POWDER WHEN CLEANING LEVELUK MACHINE. IMPORTANT: PLEASE CHECK YOUR MACHINE'S FILTER. IF YOU HAVE A HIGH GRADE FILTER THEN THIS IS THE CORRECT CPU. IF YOU HAVE A HG-N FILTER YOU NEED TO ORDER CPU-N (NEW) ENAGIC WILL NOT BE RESPONSIBLE FOR INCORRECT SUPPLY ORDER. WILL NOT FIT K8.