The Plews/Edelmann C20-23B is a 3/8" female NPT I/M (Industrial/Milton) style air coupler. The I/M design is the most widely used interchange coupler style in the US, connecting with all standard I/M male plugs for reliable, leak-free connections at pressures up to 300 PSI. Two narrow bands on the coupler body identify the I/M style for quick visual recognition.

• 3/8" Female NPT inlet connection
• I/M (Industrial/Milton) style - most common interchange standard
• 1/4" body series
• Maximum rated working pressure: 300 PSI
• Two narrow bands identify I/M coupler style at a glance
• Compatible with all standard I/M male plugs