CRC SmartWasher® BenchtopPRO® MicroPRO® Pack - 0.5 fl oz (4-Pack) Microbial Cleaning Agent, Clear Liquid The CRC SmartWasher® BenchtopPRO® MicroPRO® Pack (MPN: CRC-1751154) provides a powerful and environmentally conscious solution for maintaining the parts washing system. This pack contains naturally occurring microbes that work in tandem with the BT5 degreasing solution to break down tough greases and oils, which extends the life of the cleaning fluid and reduces waste. Designed exclusively for use with the BenchtopPRO® SmartWasher system, the MicroPRO® Pack ensures optimal cleaning performance and promotes a cleaner, more sustainable shop environment.