Test tubes Lab 10/12/13/15*100 20/25/30*200mm Clear Neutral Glass

15 150 mm;18 150 mm;18 180 mm;20 150 mm;20 200 mm;25 200 mm;30 200 mm ;. 10 75 mm;10 100 mm;12 75 mm;12 100 mm;13 100 mm;15 100 mm;. Material : Glass. Color ：clear.

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