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- 3/8" female national pipe threads
- Air flow Maximum of 67 standard cubic feet per minute
- Maximum of 300 pounds per square inch
- Maximum Temperature of 250 degrees Fahrenheit
3/8" FNPT H style couplers are used in larger tool applications requiring more SCFMs. With a basic flow size of 3/8", these couplers have a maximum pressure of 300 PSI and a maximum air flow of 67 SCFM. Made of case hardened steel, these couplers are complete with Buna-N seals.