Child Resistant Glass Droppers 15ml, 30ml, 60ml, 120ml Essential Oil
IMPORTANT: READ BEFORE BUYING These droppers are not specific to ANY brand of bottles. Rather, they fit 1/5 oz bottles that specifically are 18-400 Neck Finish, 1 oz bottles that are 20-400 Neck Finish, 2 oz bottles that are 20-400 Neck Finish, and 4 oz bottles that are 22-400 Neck Finish. The first number refers to the diameter of the closure or bottle opening, for example for a 1/2 oz bottle with a 18-400 Neck Finish (18mm) and refers to the nominal diameter measured across the inside of the cap at the opening or the outer diameter of the bottle. The second number represents the GPI thread finish (400 gpi) and refers to the height of the cap and the style of threads on the cap and the container. GPI refers to the Glass Packaging Institute which standardized neck finishes many years ago for both glass and plastic containers. These droppers with black rubber bulbs are ideal for measuring out small amounts of liquids, applying oils and creating blends.
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