Rubber Stopper, #1, 2-hole

These #0 rubber stoppers are 13-17 mm diameter with two 3 mm diameter holes.

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These No. 2 rubber stoppers are 16-20 mm diameter with two 3 mm diameter holes.

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This quality glass burette has a 50 ml capacity with 0.1 ml divisions.

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These #1 rubber stoppers are 14-19 mm diameter with one 5mm diameter hole.

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These #3 rubber stoppers are 18-24 mm diameter with two 4 mm diameter holes.

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42-50 mm diameter. Fits many vacuum bottles.

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This 5-foot vinyl tubing with 4.8 mm diameter meets industry standards for science lab work.

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This 25 g bottle of silver nitrate, also known as lunar caustic, is an inorganic compound with the chemical formula AgNO3. Take a look at the table below to discover the silver nitrate formula, density, shelf life, and more!

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Pack of six test tubes.

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The perfect lab thermometer for science experiments! It has a range from -20 to 110 degrees Celsius and 0 to 230 degrees Fahrenheit.

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