Introducing the Kingpen Cali-O 1 Gram Vape Cartridge: The first of its kind, lab-tested, and high-quality distillate cartridge. Kingpen Cali-O 1 Gram Vape Cartridge is the perfect way to enjoy the legendary Cali-O strain. A perfectly balanced terpene profile provides a clear-headed high that delivers a positive and uplifting experience.