Vacuum Ejector Pressure Port Size 1/8 in Pressure Port Type NPT Vacuum Port Size 1/8 in Vacuum Port Type NPT Maximum Flow Rate 24 lpm Maximum Supply Pressure 72 psi Vacuum Pressure @ 40 PSI -55 kPa Overall Length 88 mm Maximum Operating Temperature 60 Degrees C Includes Muffler Needle Flow Control Valve Vacuum Pressure @ 75 PSI -84 kPa