3/8 NPT mid-size regulator is the relieving type which offers stable downstream air pressure over a wide range of air flows with accurate control, fast response and minimal pressure drop. Regulators should always be preceded by a filter to eliminate damage to the unit or inaccurate air flow. The aluminum die cast body comes with a balanced piston, molded rubber seat, Buna-N diaphragm and o rings. This regulator also has two offset 1/4 gauge ports which can serve as two 1/4 supply lines. Offers a maximum inlet pressure of 250 PSI and 80 SCFM. Product Features:3/8 national pipe threadMaximum of 80 standard cubic feet per minute at 100 pounds per square inchOperating temperature range of 40 degrees Fahrenheit to 120 degrees Fahrenheit