A microbial cleaning agent engineered to work hand-in-hand with the powerful BT5 degreasing solution, the MicroPRO Pack contains naturally occurring microbes that have a healthy appetite for tough greases and oils. Used exclusively in the BenchtopPRO and formulated to work with BT5, the MicroPRO Pack completes this one-of-a-kind parts washing system. Simply add 1 pack every 30 days.