McKesson Tube Closure Polyethylene Flanged Plug Cap Natural 12 mm 12 mm Test Tubes, Centrifuge Tubes, Round Cuvettes NonSterile
- These tube closures provide exceptional leak resistance in 12 millimeter test tubes, centrifuge tubes and round cuvettes
- Two flexible flanges press firmly against the tube's inside wall for enhanced leak resistance than standard plug caps
- There are 1,000 no-color, 12 mm flange plug tube closures in a bag
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