The SEAFLO 21-Series compact pump is designed for a wide range of applications including liquid transfer, spraying, circulation, filtration and dispensing. This compact 12 volt two diaphragm pump is self-priming and can be run dry without harm. It provides up to 3.8LPM (1 gallon per minute). Designed for 1 or 2 multi outlet 3/8” (10 mm) outlets at any one time. Features an automatic on-demand built-in pressure switch which automatically starts and stops the pump when faucet is opened and closed. Rubber feet reduces vibration and ensures quiet operation.