This 3/8 in NPT heavy duty Coalescing Filter metal bowl is designed for applications that require air-free of oil and all foreign particles. This 6 oz capacity metal bowl includes an automatic overnight drain for convenience. With a maximum pressure of 250 psi, this Coalescing Filter offers up to 37 scfm. The 0.03 um filtration and low pressure drop make this filter ideal for body shop, spray painting, food processing and instrumentation.