Danyang Fuli Rubber&Plastic Products Co., Ltd.
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Large Bulb with metal, turn-type airflow control valve
and metal back valve
Rubber bulbs
rubber bulbs attached to glass and plastic rods, used as dropper
The smaller rubber bulbs are well suited with small pipettes to draw smaller amount of reagents and can attach to both glass, as well as plastic rods. They are very commonly used for droppers as small sized rubber bulbs help control the amount of drops more precisely.