About this item

• Joint Sizes: available in standard outer/taper joints 14/20, 19/22, and 24/40 for wide compatibility with common lab glassware
  
• Tubing Fit: designed to accept StonyLab vacuum tubing: 12 mm (15/32 inch) O.D. and 8 mm (5/16 inch) I.D.
  
• Function: precisely controls flow of gases or liquids into reaction systems; ideal for vacuum lines, condensers, and reaction setups
  
• Material & Durability: made from heavy-duty borosilicate glass: chemical- and heat-resistant, reusable for long-term lab use
  
• Warranty: 1-year limited manufacturer warranty for peace of mind