3/8 FNPT M style couplers have a brass body and a Buna-N seal. The industry standard Milton M style coupler has a 1/4 basic flow size and a maximum pressure of 300 PSI. M style couplers offer air flow of 40 SCFM. Product Features:3/8 female national pipe threadMaximum inlet pressure of 300 pounds per square inchAir flow of 40 standard cubic feet per minuteMaximum temperature of 250 degrees Fahrenheit
