Lab Portable Oilless Diaphragm Vacuum Pump 30L/min with Rubber Tube Positive and Negative Pressure
- ...m pump is compact and easy to store when not in use. It is built with sturdy lab-quality materials meant to last for years. The oilless design also guarantees that oil from the pump won’t contaminate your work - a risk in many pumps..
- ❤【APPLICATIONS】Can be used wildly in aerator, nitrogen blower, solid phase extractor, thin layer color developing spray, solvent filter, air sampler and other vacuum pressure need.There are more uses in life. When you need to use a vacuum storage bag with a valve to store food or items, you will find it very convenient..