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Adapta-Cap Size D Bottle Adapter (24 mm)


Easily dispense essential oils!

  • Helpful when making blends, filling capsules, creating samples, and transferring liquid.
  • Compatible with bottles that have a 24-400 or 24-410 neck.
  • Use with a straight-tip syringe.
  • Made from high-quality LDPE plastic.

The Adapta-Cap™ makes it simple to dispense essential oils when making blends, filling capsules, creating samples, or simply transferring liquid from one bottle to another. Fits our 4 oz. blue glass bottle or any other bottle with a 24-400 or 24-410 neck size. Also works with any of our straight-tip syringes.

Neck:24-400 or 24-410. (To determine the right size Adapta-Cap™ for your bottle click here.)


  1. Insert a syringe tip into the adapter hole of the cap.
  2. Tip the bottle.
  3. Draw out the amount of oil needed.