McKesson Multi-Enzymatic Instrument Cleanser contains a synergistic combination of multiple enzymes, which effectively cleans away blood, proteins, fat, carbohydrates, and synthetic liquids from surgical instruments and other general health care equipment. Its neutral pH, non-abrasive, non-foaming, 100% biodegradable formula is easy to use, and is specifically created to not harm metal, plastic, rubber, corrugated tubing on the equipment being cleaned.