Jabsco Waste/Fish Box Evacuation Pump With 1-1/2" ports and no requirement for a pre-filter, black water can be moved easily at a flow rate of 5 gpm. The self-priming and dry running capabilities further enhance the synergy of this pump to the application, and the 360 rotating pump head allows the unit to be mounted in almost any position relative to the direction of the pipe work. 1-1/2" fittings. Mfg. no. 50900-1000 Volts: 12 VDC Amps: 15