Port-O-Flush Jr. is the smallest flushing unit available on the market today. A powerful tool packaged into a five-gallon bucket, Port-O-Flush Jr. provides portability and versatility while still efficiently handling small to medium size engines, heat exchangers, air conditioning & refrigeration systems. Designed with the do-it-yourself boat owner in mind, TRAC's Port-O-Flush Jr. is extremely simple to use. Tasks which normally cost you days of down time can now be confidently preformed within an afternoon.Volts-12 DC