Johnson Pump 4.0 gpm 12V Baitwell Pump 1013252103Bw

5-chamber diaphragm pump designed for continuous duty. Features dramatically lower noise & water pulsation compared to 3 or 4 chamber designs. Self-priming to 6.5' (8.2' for 5.2 GPM model). Includes an integrated pressure switch and can run dry without damage. Use the included inlet strainer before pump intake. 12 Volts. 3-Year warranty.