JABSCO PUMP 12310-0001|Jabsco's #12310 phenolic platic pump has a nominal flow rate of 4 USGPM, a maximum head 40ft (17.3psi), and is self-priming from dry up to 2.4m (7.8ft). It can be used where corrosion resistant plastic material, self-priming, flow, and debris tolerance is desired. It handles hard and soft solids without clogging, and has a non-pulsating flow.