1/4" FNPT H style couplers are used in larger tool applications requiring more SCFMs. 300 PSI maximum. Buna-N Seals

• 3/8" Basic flow size
• Maximum 300 pounds per square inch
• Buna-N Seals
• 67 Standard cubic feet per minute
• 250 degrees Fahrenheit maximum temperature; Made in USA
• H-style coupler bodies steel, plated to resist rust
• Maximum inlet pressure: 300 PSI