XJ-13 is a cross of Jack Herer and G-13. This Sativa dominant strain is perfect for being productive, creative, or social. Start the day with confidence and a smile. Harmony uses only pure CO2 for their oil, free from any hydrocarbon solvents. They are strain specific batch extractions with the highest grade material to get the purest, best tasting oil possible. The oil is refined through a cold filtration process which removes all the plant waxes and impurities, it's then gently heated to activate all the cannabinoids. Harmony Farms CO2 oil is extremely potent giving you the best tickle for the nickel!