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10Pcs Lab Glass Test Tube With Cork Stoppers Laboratory School Educational Supplies 3 Sizes

Material: Glass & wood
Size: 15x150mm/0.59×5.90inch
Color: As shown in the picture
1. A generally used lab instrument used for physics and chemistry experiment.
2. Commonly used in filtration, heating experiment.
3. Supplied with Natural cork stoppers.
4. Not suitable for an Autoclave.
5. Reusable,hand washable in warm water.
Package Included:
10 x Tubes

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