1、GOOD PERFORMANCE: The micro DC diaphragm pump has two 90 degree angles between the air ports, has low noise, high pressure, high efficiency and good durability. 2、DURABLE MATERIAL: The micro air pump is made of excellent plastic, light weight, good toughness, corrosion resistance and aging resistance, has long service life. 3、SAFE OPERATION: Using safe low voltage, the diaphragm pump is easy to disassemble and assemble to ensure stable machine operation and individual safety. 4、SWITCH AND VALVE: Built in pressure switch and relief valve, which protect the diaphragm pump from damage and control the normal operation of the pump. 5、COMPACT SIZE: The micro vacuum pump is compact in structure and has a standard size, easy to install and remove, suitable for a wide range of applications.