1、The pump body is separated from the motor, and the working medium (liquid) has no contact with the metal part from the inflow to the outflow. 2、No mechanical seal, no leakage. 3、It can be idling continuously for a long time, or it is also load operation for a long time. 4、With self-priming function, small size, long service life. 5、Smooth operation, low power consumption, low noise. 1 x Diaphragm Pump Item Type: Diaphragm PumpVoltage: DC12VMaximum Flow: 2-3L/MINWorking Pressure: 0.11- 0.25MpaThe Highest Lift: Approx. 5 ~ 10m / 16.4 ~ 32.8ftPipe Diameter: Outer Diameter 9mm / 0.4in, Inner Diameter 6mm / 0.2inProduct Usage: 1. Household appliances - drinking water equipment, tea set machine, coffee machine, cola machine, juice machine, milk machine, dishwasher, disinfection machine 2. Printing industry - inkjet printer,code spraying machine, etc. 3. Aquarium equipment, bonsai equipment 4. Electronic equipment, medical equipment 5. Spray equipment, atomizing equipment, electric sprayer 6. Water treatment equipment, purification equipment, filters, cooling equipment, cleaning equipment 7. Ships, yachts, desalination, vehicles, bathing, toilets, sanitation, environmental protection, etc.