This 1/2" NPT heavy duty coalescing filter with metal bowl is designed for applications that require air free of oil and all foreign particles. This 6 ounce capacity metal bowl includes a convenient automatic overnight drain which will activate whenever liquid has accumulated in the bowl or when the air supply is shut down. With a maximum pressure of 250 PSI, this coalescing filter offers up to 37 SCFM. The .03 micron filtration and low pressure drop make this filter ideal for body shop, spray painting, food processing and instrumentation.