MARK3 Ultrasonic Bio-Enzymatic Tablets are easy to use, microbial bio-enzymatic tablets that create a fast and effective ultrasonic cleaning solution. With advanced biomass changing dynamics, this ultrasonic cleaner is capable of degrading a wide range of complex organics and soils that traditional protease enzymatic formulations cannot. Versatile, and can also be used for light cleaning around the office, or as a secondary evacuation cleaner. Made in the USA.