M style coupler and plug kit includes one 1/4" FNPT coupler and one 1/4" MNPT plug. Made up of a brass body, brass sleeve coupler and steel plug. With a 1/4" basic air flow size and air flow of 40 SCFM, this coupler and plug combination has a maximum pressure of 300 PSI and a Buna-N seal.
Maximum air flow of 40 standard cubic feet per minute
Maximum inlet pressure of 300 pounds per square inch