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16mm Screw Neck Tube with Black Cap

https://aijirentechinc.com/aijirenvials

16mm Screw Neck Tube with Black Cap

If the inner wall of the test tube is attached to a substance that is not easy to clean, it should be scrubbed with a test tube brush. Move the test tube brush up and down.

16mm tube COD Test Tube screw tube

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If the inner wall of the test tube is attached to a substance that is not easy to clean, it should be scrubbed with a test tube brush. Move the test tube brush up and down.

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