sourcing map 20 Pcs Plastic Test Tubes with Cap, Polystyrene Mini Test Tube, White, 16x150mm, Storage Container for beads Sample Laboratory

Descriptions:
1.This Test Tube is a common piece of laboratory open at the top, with a rounded U-shaped bottom.
2.Come with a tight fitting cap, no rough edges, they are water and air tight, have a good seal, easy to clean.
3.Widely used by chemists to hold, mix, or heat small quantities of solid or liquid chemicals, especially for qualitative experiments and assays.

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