CO2 Distillate 510 Thread Cartridge Happy Valley’s CO2 distillate oil is infused with cannabis-derived terpenes extracted directly from our state-of-the-art production facility. The result: an unparalleled aroma, flavor profile, and vaping experience. Our commitment to purity is a difference you can taste. Stardawg, a hybrid cross between Chemdog 4 and Tres Dawg, is known for it’s earthy aroma and uplifting effects.