Shurflo by Pentair PRO BLASTER II Washdown Pump Ultimate - 12 VDC, 5.0 GPMPRO BLASTER II Washdown Pump Ultimate 12 VDC 5. 0 GPM SHURFLO's PRO BLASTER II washdown pump delivers superior performance that customers have come to expect and rely upon. Whether it's blasting away the grimiest decks clean, fish box scaling and anchor chain cleaning, SHURFLO's PRO BLASTER II washdown pump delivers high performance that provide a powerful consistent spray pattern. Built to withstand the marine environment with electro coated motor, O