The Parker Balston® Low Flow Nitrogen Generators models N2-04, N2-14, N2-14A that produce up to 61 SLPM of compressed nitrogen, on-site. The Parker Balston Mid-Flow Nitrogen Generators produce 132 SLPM of compressed nitrogen on-site. The purity level of the nitrogen stream is defined by the user, for the application, and may range from 95% to 99.5%. Some models of the Low and Mid Flow Nitrogen Generators include and oxygen analyzer. An audible alarm signals high or low oxygen concentrations. Parker Balston Nitrogen Generators are complete systems engineered to transform standard compressed air into nitrogen at safe, regulated pressures, on demand, without the need for operator attention. The systems eliminate the need for costly, dangerous dewars and cylinders in the laboratory.