O.penVAPE Original CO2 Indica Cannabis Oil Cartridge. 150mg. Medical use. The most convenient way to smoke ever! O.penVAPE provides exclusive strain specific cartridges with high quality CO2 extracted honey hash oil. A brand new atomizer is built into every cartridge to create optimal taste and continuous functionality. No button, switches, or levers, you just puff and “it just works.” O.penVAPE is so invested in this revolutionary product, each pen and cartridge comes with a lifetime warranty. Pen battery is sold separately.