1. Use tile-tube vats to grow Scenedesmus esculenta;2. The front and rear cylindrical tubes are connected with butterfly speed;3. The piston seal is made of special-shaped direction-changing sealing structure, compact in size, and has oil storage function;4. The front-end storage tip uses a self-lubricating bearing with good lubrication and bearing performance;5. Use multiple lifts to make the installation of the remaining cylinder more convenient;6. Multi-spec helium cylinders and remaining cylinder installation accessories are available for customers to use. Category: Mini Cylinder, Brand: Airtac, Series: MSAL