3/8" FNPT P style couplers have 8 locking balls for better retention of plug. Has a Maximum of 300 PSI with a basic air flow of 1/2". Heavy duty steel body has a Buna-N seal. Available air flow of 68 SCFM.
3/8" female national pipe thread
3/8" Basic flow size
Maximum of 68 standard cubic feet per minute
Maximum inlet pressure of 300 pounds per square inch