The 5000X model is an air regulator filter, with a perfect quality/price ratio. The 5000X model incorporates a semi-automatic draining system. Its NEW VESSEL is tougher and more protective. Retains water, oil and other impurities. Membrane mechanical regulator with great robustness. Extremely smooth action. Friction and centrifuged filtering. Incorporate 40 micron sinterised brass filter.