Diaphragm vacuum pump is made of high quality Material. It has rotation and long lifespan and is durable. This Mini diaphragm vacuum self priming water pump can reach flow rate of 0.4-1l /min, and the pressure is suitable for long working time 3bar. Power water pumps has compact size, strong structure. It is very easy to install and maintain, low noise, superior performance. Lab vacuum pumps is widely used in instruments and equipment, medicine and industry, and other fields. Mini small oilless vacuum pump does not need maintenance and has no need for oil, pollution and delivery medium, especially suit for high sanitation requirements Material: Metal colour: As shown Package Contents: 1 x 12v 0.4-1l/Min Diaphragm Pump Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.