✿✿✿【Widely Used 】-- Can be used as a or as an air pump, or an aeration pump for aquarium, aquarium aeration, drinking water equipment, tea set machine, coffee machine, machine, machine, milk machine, Printing industry - inkjet printer,code spraying machine, etc. ✿✿✿【High Quality Pump 】-- The 380 diaphragm pump is a diaphragm pump that allows for long periods of idling without mechanical parts and no wear. Thermal protection, smooth operation, long working hours. Small size, low current, high pressure, low noise and long service life. ✿✿✿【Can Run For A Long Time 】-- It can run continuously for a long time and can continuously run with load for a long time. ✿✿✿【No Wear 】-- The pump body is separated from the motor, there is no mechanical parts in the pump body, no wear. ✿✿✿【Pipe Diameter 】-- Outer Diameter: Approx. 9mm / 0.4in, Inner Diameter: Approx. 6mm / 0.2in, Weight: 0.220462262 Pounds, Manufacturer: Elprico