Mini 3" 76mm (OD91mm) 99.9% Red Copper 2 pcs bubble plates Distillation Glass Column for distillation
https://www.vogueparade.com/shopping/EN/200282142/1/32952612825/mini-3-76mm-od91mm-999-red-copper-2-pcs-bubble-plates-distillation-glass-column-for-distillation//