G Gio Cali OG This pungent, earthy strain is a potent OG. Great for nighttime and days when mellowing out is your pleasure. Only compatible with the G Pen Gio vaporizer battery, sold separately io CaliThis pungent, earthy strain is a potent OG. Great for nighttime and days when mellowing out is your pleasure. Only compatible with the G Pen Gio vaporizer battery, sold separately