Features: Compact in structure design, small and exquisite, and it can be widely used in liquids transfer, spraying, circulation, filtration and distribution. With self-priming function, it can support running dry for a short time. The maximum flow-rate can reach up to 4.3 liters per minute. The miniature multi-outlet pressure pump can be installed with one or two 10 mm (3/8 inch) outlets. This kind of diaphragm pump with automatic pressure switch, which can automatically starts when the tap is opened, and automatically stop when the tap is closed. Two types available, you can choose 12 V or 24V according to your demands.