Henry Schein Enzyme cleaning tablets, one cleaner with multiple uses: ultrasonic cleaning, evacuation system cleaning, and instrument presoak. Each tablet contains protease enzymes that break down hard-to-clean deposits that chemical detergents leave behind. Gentle on instruments because of its nontoxic, neutral pH, biodegradable, noncorrosive formula that contains no chlorine or harsh alkaline. Easy to use, two tablets quickly dissolve in 1 gallon of warm tap water. Fresh minty scent.