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. GG4, a potent hybrid cultivar, is a cross between Sour Dubb x Chem Sis x Chocolate Diesel and is known for delivering a deep, euphoric and relaxing effect.