Rubber bulb

small rubber bulbs attached to glass and plastic rods, used as dropper

Different sizes of rubber bulb, flip style pipette filler and wheel style pipette filler

Rubber bulbs are used in chemistry laboratories, by placing them on top of a glass or plastic tube. It serves as a vacuum source for filling reagents through a pipette or pasteur pipette and also help control the flow of liquid from the dropping bottle. By using rubber bulb, the contact of the mouth to the chemicals can be avoided. These rubber rods come in different shapes, sizes and colors.

单词	Rubber bulb
释义	Rubber bulb 英语百科 Rubber bulb Rubber bulbs are used in chemistry laboratories, by placing them on top of a glass or plastic tube. It serves as a vacuum source for filling reagents through a pipette or pasteur pipette and also help control the flow of liquid from the dropping bottle. By using rubber bulb, the contact of the mouth to the chemicals can be avoided. These rubber rods come in different shapes, sizes and colors.
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