1、Self Priming and Dry Rotation: The diaphragm pressure pump has a self priming function. It can run dry for a short time (no more than 30 minutes). 2、Pressure Protection Switch: The diaphragm pressure pump is equipped with a pressure protection switch, which can automatically stop for protection in case of overpressure until the pressure is less than the threshold value and automatically restart. 3、Working Medium: The diaphragm pressure pump is suitable for liquids without oil, strong corrosion, strong acid and alkali, and solid particles. 4、Note Tips: The diaphragm pressure pump shall be used in a dry and ventilated place. And the pump cannot be put into water for operation. 5、Convenient Installation: The pump is easy to install. The water pump is exquisite, small in size, light in weight, large in flow, high in pressure and stable in performance. 1 x Diaphragm Pump4 x Accessories Item Type: Diaphragm Water PumpMaterial: PlasticGross Weight: 1249g / 44.1ozSize: 187x98x72mm / 7.4x 3.9x 2.8inWater Inlet Outlet Connector: G1/4, applicable to G3/8, hose barbUsage: For spray machine, spray cleaning device with small flow and large pressure; Small flow water purification system, filterApplicable Industries: Medicine, shipping, fishery breeding, industry, agriculture, housekeeping and other industries