Dropper Assemblies manufactured by Qorpak 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.
Specification
Style: Glass Dropper Assembly Size: 7 x 89mm Color: Black Material: Polypropylene Qty: 12 Neck Finish: 20-400