2-Nozzle Semi-Automatic Stainless Steel, Bench-Top Bottle Filler with Venturi Pump, which generates the vacuum pneumatically. Bottler is designed specifically for smaller bottles and comes with Vacuum Pump. No Electricity Required. Works ideally for 50ML bottles. Fills 1,000+ bottles per hour. Size and shape of bottle as well as speed of Operator contribute to output. Includes Male ¼” Quick Disconnect to your Air Compressor (not included).