The NX Next Generation pump station includes a run dry pump, digital scale, all lines and fittings, and a 3 way valve that keeps the nitrous in the pump and lines between refills. This pumping station will fill bottles faster (even with lower air pressure) than any other pumping station on the market. INCLUDES PUMP, DIGITAL SCALE, 3 WAY VALVE, AIR FILTER/WATER SEPARATOR AND ALL HOSES