PATIKIL 20ml Centrifuge Tubes, 10 Pcs Glass Graduated Centrifuge Vials with Screw Cap Conical Bottom Test Tube Storage Container for Sample Laboratory Liquid

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• Specifications: Material: Glass; Color: Black; Capacity: 20ml; Dimensions: 123 x 22 mm/ 4.8 x 0.9 inch (H*DIA); Package Contents: 10 Pcs x Centrifuge Tubes.
• Centrifuge tubes are widely used in various scientific research for separation and sample preparation, including preserving solids, liquids, powders, and granular objects.
• Advantages: The test tubes are made of high-quality glass, odorless and durable, clear and easy to observe. The scale printed on the side of the centrifuge tube can be accurately and easily measured, which is convenient for distinguishing samples. The centrifuge tube is equipped with a leak-proof screw cap, which is firmly sealed and not easy to leak.
• Instructions: Easy to use. Prepare the sample, slowly pour the liquid sample to be tested into the centrifuge tube, and seal the centrifuge tube with the matching centrifuge cap.
• Notes: Please choose the appropriate size of centrifuge tube according to the experimental needs and mark it well to avoid confusion.