One Geek Vape Cerberus 5.5ml Pyrex glass bubble extension.

• Compatible with the Geek Vape Cerberus tank (Aegis Mini Kit, Nova Kit, Solo kit)
• Capacity 5.5ml (chimney adapter is for use with the non-TPD version, 5.5ml)
• Height 19mm
• Outer diameter 24mm (as measured across the top and the bottom)