Item Type: Micro Air Pump_x000D_ Material: Engineering plastics_x000D_ Air Nozzle Diameter: Approx. 5mm / 0.2in_x000D_ Vacuum Flow: 2.5-8.0LPM_x000D_ Maximum Vacuum: Less than or equal to -60Kpa (-450mmHg)_x000D_ Maximum Positive Pressure: Greater than or equal to 100Kpa (750mmHg)_x000D_ Noise: Less than or equal to 65db (30cm away)_x000D_ Life Test: Greater than or equal to 500hours (continuous) 1LOW VOLTAGE: The inside of the mini air pump adopts safe low voltage to ensure user's safety, and there is no need to worry about electric leakage and injury during operation. 2RUNNING QUIETLY: The noise generated when the mini air pump is running is very small, and it also gives you a quiet working environment. 3STABLE PERFORMANCE: The mini air pump is equipped with a pressure switch and a relief valve to ensure the pump away from damage and control the normal operation of the pump. 4CORROSION RESISTANCE: The mini air pump uses engineering plastics with good performance as the shell material, which has good corrosion resistance and durability. 5EASY TO DISASSEMBLE: The installation and disassembly of the mini air pump are very convenient and simple, which is convenient for users to use.1 x MicroAirPump