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1oz Dropper Assembly, 7mm by 75mm, for 18/400 threaded necks, Case of 144 by Go Science Crazy
We sell many different sizes of dropper assemblies, varying by size, capacity, and the size of threaded neck they are designed to fit. This is a 1oz Dropper Assembly 7mm by 75mm, for 18/400 threaded necks in a case of 144.