Rubber Tubing, 4.8 mm, 2' long

This metal burette clamp attaches to a ring stand to hold a single glass burette, test tube, flask, etc. for chemistry labs.

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This 8 mm (5/16") flexible rubber tubing is the right size for connecting to tubing connectors on glassware like condensers and filtering flasks.

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These 250 ml glass Erlenmeyer flasks can be heated directly in an open flame. Essential for chemistry labs!

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This borosilicate glass thistle tube is useful for a variety of experiments, including osmosis and diffusion.

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5mm glass tube fit in all rubber stoppers & attach to 4.8 mm plastic or rubber tubing. Pack of two.

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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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5mm glass tubes fit in all rubber stoppers & attach to 4.8 mm plastic or rubber tubing.

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These # 6.5 rubber stoppers are 27-34 mm diameter with two 5 mm diameter holes.

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This 5 mm (3/16") flexible rubber tubing is the right size for connecting 5-6 mm glass tubes in stoppers or other small diameter fittings.

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Everything you need for test tube experiments! This set contains 6 glass test tubes, a rack, cleaning brush, stoppers, and clamp.

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