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14mm Borosilicate Glass Funnel and Tube Adapter Set for Laboratory – 4 Funnels, 4 Tube Adapters, 2 Cleaning Brushes, Heat-Resistant Glass for Chemistry Experiments, STEM Education & Liquid Transfer
SAR 105
6 Pack 14mm Borosilicate Glass Tube Adapter – 120mm (4.7") Heat-Resistant Lab Glass Stem, Precision-Ground Joint, Includes 2 Brushes for Laboratory & STEM Education
SAR 89
