4211-035 12V Power Twin Pump4211 035 12V Power Twin Pump 6. 25 gpm, 40 psi. 1 2" MPT ports, 17. 2 draw. Take all the performance and features of the time tested 2088 series,double it, and the result is the high flow Power Twin. Delivers an openflow of 6. 25 GPM [23. 7 l min] at a mere 8. 7 amps. At 40 PSI [2. 8bar], it delivers 3. 5 GPM [13. 2 l min] and draws only 17. 2 amps. Oneof the most efficient high flow self priming pumps available today, thePower Twin is excellent for