Maximum inlet pressure of 300 pounds per square inch
Air flow of 40 standard cubic feet per minute
Maximum temperature of 250 degrees Fahrenheit
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.