Steps:
1. Using a filling device with a 14 gauge needle( ≤1.8mm)
2. preheat oil to ~120°F – 140°F (do not exceed 140°F)
3. Slowly fIll preheated oil to the appropriate capacity of 0.5g/1.0g without overfilling.
4. To cap, within 3 minutes after filling, push down the mouthpiece onto the airstem, then screw on the cap keeping the cartridge upright and center while screwing on the mouthpiece until fully sealed.
Cautions:
1. Do not fill or get oil into the center airstem, this will damage the cartridge.
2. Overfilling may result in capping issues.
3. Failure to cap the mouthpiece within 3 minutes after filling may result in leakage.