PRO BAITMASTER II Livewell Pump - 12 VDC - 4.0 GPM. The SHURFLO PRO BAITMASTER II heavy duty livewell/washdown pump is excellent for live-well or washdown applications in harsh marine environments. The seamless motor shell and sealed switch protects the pump from splashed liquids. Self-priming and can run dry without damage. For tank size 35 gallons and under. Thermally protected. Ignition protected.. Features:. 4901 replacement. Sealed Switch. Sealed Motor. Corrosion Resistant Electro. Coated Motor. 4 Independent Chambers. Built-In Check Valve. Co-Molded Diaphragm. Self-Priming up to 6 Feet. Dry Run Capability. Thermally Protected. Ignition Protected, CE