We are looking for Regulators as follows: - 23 Carrier Gas Cylinder Regulators (c / w gauge) : Brass body, 2-stage, Inlet range: 0-250 bar, Outlet range: 0-10 bar. - 15 Calibration Gas Cylinder Regulators (c / w gauge) : Stainless Steel, 2-stage, Inlet range: 0-20 bar, Outlet range: 0-2 bar.