3"(76Mm) Distillation Column with 9Pcs Copper Bubble Plates for Distillation,9-L

NEW 3"(76mm)FlangeOD91mm Distillation Column With 9pcs Copper Bubble Plates For Distillation,9-Layer High Quality Glass Rectification Column. 3" Copper Bubble Plate Sets---9pcs. Copper Bubble Plates --9pcs.

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