*These caps feature hollow top plug stopper with high grip
*They will fit into test tubes and also in round cuvettes and centrifuge tues
*More space between each flange increase the cap sealing results.

Other products for your reference:

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Cat. No. | Description | Packaging Option | Inner Pack | Q'ty./Case (pcs) | Sterility |
89216N | Φ :16mm, Natural | ZIP Lock Bag | 1000pcs/bag | 20000 | NON- |
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