Modular typeSuitable for panel mountingFilterBronze filtering elementSeparator and shield for efficient moisture separationRegulatorDiaphragm operated, relieving typePressure compensated by balanced poppetFlow compensated in models FRC14, FRC15 and FRC17 for faster responseNon raising press to lock adjusting knob for locking at any set pressureSteel bowl guard, bayonet type on FRC14, FRC15 & FRC17 models and threaded type on FRC13 modelGood flow and regulating characteristics