WHAT DOES GVTECH MEAN?

My Roam's airflow looks clogged - what can I do? If the G Pen Roam has restricted airflow, you can do the subsequent to scrub and declog:The tab must be oriented straight toward the Roam mouthpiece when inserting the Quartz tank and tank go over back again to the battery. The front panel with the tank deal with should also sit flush Together with t