1. Material: Copper 2. Ambient and fluid temperature: 0 degrees to 60 degrees 3. Oil-resistant, water-resistant, corrosion-resistant, durable. 4. The connection is firm, the pressure resistance is high, and the installation and maintenance are convenient. 5. Fine grinding and sealing. 6. Different sizes and forms. 7. Fluid used: clean compressed air, vacuum 8. Maximum operating pressure: 1.32Mpa 9. Use hose: PU hose, nylon tube