DC3V-37V 310 Foam Motor Pump For Automatic Hand Sanitizer Soap Dispenser Foaming Motor Pump Liquid Air Pump 310E foam pump, commonly used in the air pump motor of household appliances, medical, beauty, massage, hand sanitizer, soap dispenser. It has an air intake in addition to an inlet and an outlet. Moreover, its pump chamber structure is different from that of ordinary water pumps. It also has a foaming function, so this pump cannot be used as a water pump, especially a water dispenser pump, because the pump body enters the inside. There are still chemical substances left, and there will be white foam when the water is just pumped. It should be that there are chemical substances left in the pump body after the factory test machine. Weight: 41 grams Applicable voltage: DC3V-3.7V Working current: 0.43A-0.46A Liquid volume: 30~100mlPM Noise: 0.5m Application: household appliances, medical, beauty, massage, hand sanitizer machine Package includes: 1 piece of pump _x000D_ _x000D_ _x000D_