The Watts Fluidair 1" Filter/Regulator with Auto Drain and Gauge is an essential component for managing compressed air systems. This unit combines filtration and regulation, featuring a 40-micron filter that effectively removes contaminants. The integrated auto drain ensures moisture is automatically expelled, preventing water accumulation. With a pressure rating of up to 250 PSI, this robust unit is suitable for a variety of industrial applications. The built-in gauge provides real-time pressure readings, allowing for precise control and monitoring of your air supply.