12 cm downstem glass tube

12 cm downstem glass tube made of borosilicate glass, including diffuser slots to break bubbles.

Main features:

• Length: 12 cm.
• External bong joint: 18.8mm (SG19) with a seat for a 14.5mm head (SG14).
• Diffuser slots to break bubbles in the water.
• Borosilicate glass.
• Fits water pipes with an 18.8mm joint and allows use with a 14.5mm head.
• The length is measured from the top edge of the lower joint.