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5 x 1ml 510 Threaded Cartridges

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SKU: Speak_To_Simon
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Replacement Oil Cartridges to fit 510 Batteries

These are empty replacement cartridges for 510 threaded batteries to be filled yourself. Our special design ensures the cartridge is leak proof design with a superior quality tip cover protector, these are the perfect replacement cartridges for your pen with 510 fitment.


  • 5 x 1.0ml Single Cartridge
  • 510 Fitment Threaded Connection (will fit O.Pen, Medi Pen, Harmony etc.)
  • 1.0ml Capacity
  • Removable Tip Protector


Any questions please ask!