A CO2 regulator that fits in your pocket! Great for bringing your kegs to parties or keeping your cellared kegs at optimum pressure. With this regulated CO2 injector, you can inject your kegs with the perfect pressure for dispensing or storing. Unlike the unregulated compact CO2 injector, this injector includes a regulator that runs from 0 to 20 PSI and uses a smoothly adjustable dial to accurately select the dispensing pressure. Comes with regulator, 1 CO2 cartridge, and threaded ball lock gas disconnect.