Refco 4663981 Refrigerant Vacuum Gauge Set 0 to 1000 Mbar.

Features:

• With 1/4 inch SAE for vacuum pumps plus ball valve Rl-vac.
  
• Manufactured by Refco in Switzerland.
  
• Refco 80mm vacuum gauge mounted on a ball valve manifold.
  
• Fits in line onto standard 1/4 inch fitting and can be used to isolate the system when vacuum pressure testing.
  
• Also features a pressure relief valve for gauge protection.