Check the listing for details. Micro Air Pressure Pump DC Diaphragm Vacuum Pump White 12V MT8. Condition: New. Listed at 7.49 USD. Feature: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. Specification: Item Type: Micro Diaphragm Pump Color: White Air Port Angle: 90 Degree Deflation Time: Less than 3S (100CC tank 300mmHg to 15mmHg) Working Pressure: 350mmHg Mat Air Tightness: Less than 3mmHg (Minimum from 300mmHg at 100CC tank) Insulation Resistance: More than 50MΩ Minimum (DC500V) Insulation Class: A CLASS Life: 100000 Cycles Used Fluid: Air Mode: NORMAL CLOSE TYPE