How do I refill the cartridge?
- Disconnect mouthpiece from the cartridge and set the mouthpiece aside.
- Remove blue cartridge plug from inside the cartridge and set it aside.
- Insert a properly sized dispenser, be sure dispenser is completely inside cartridge before filling with oil.
- Fill oil into the cartridge.
- Replace blue cartridge plug into the opening of the cartridge.
- Wipe off any extra liquid from around the opening.
- Connect mouthpiece to cartridge.