Parker 06E36A18AC One-Unit Combo Compressed Air Filter/Regulator, 1/2" NPT, Polycarbonate Bowl with Metal Bowl Guard, Auto Float Drain, 40 Micron, 61 scfm, Relieving Type, 2-125 psi Pressure Range, Gauge Parker 06E compact series compressed air filter/regulator for water and particulate removal, and air pressure control Single-unit, integral, "piggyback" filter/regulator for space-saving installations Relieving-style regulator exhausts excess pressure for increased performance and safe operation Removable, non-rising knob for tamper resistance Male National Pipe Taper (NPT) threads for connecting to female threaded pipes