Pyrex® borosilicate glass.

• Side arm to facilitate filling with mineral oil
• With gas inlet to provide continuous flow of inert gas (N₂ or Ar) over the reaction
• Bubbler with inlet complete with detachable plastic hose connection to allow easy and safe attachment to 9 mm flexible tubing

Ideal for closing reaction mixture from the atmosphere. Bubblers have capacity of approximately 5 ml.