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Lab Glassware, Supplies, Containers & Packaging
Dropper Assemblies
Dropper Assemblies feature a glass tube with black polypropylene closure and rubber squeeze bulb. The opening of tube tip has a 3.0mm outside diameter. These dropper caps are available in multiple widths with dropper tubes in multiple lengths. Standard GPI thread finish for dropper caps is 400. For dropper bottle kits with assemblies included, see our oval dropper bottles and round dropper bottles.
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