This is a 8mm. plastic pneumatic HVFF fitting connector used for air flow.
Specifications.
 
 1.Fluid type: air (no other gases or liquids)
 2. Working pressure: 0 to 150psi
 3. Negative pressure: -29.5 in Hg
 4. Applicable tube: 8mm. Polyurethane and nylon


 
    
             
 
 
 
 
 
 
  
 