Vacuum Ejector Pressure Port Size 1/4 in Pressure Port Type Tube Vacuum Port Size 1/4 in Vacuum Port Type Tube Maximum Flow Rate 5 lpm Maximum Supply Pressure 87 psi Vacuum Pressure @ 40 PSI -35 kPa Overall Length 54 mm Maximum Operating Temperature 60 Degrees C Includes Muffler Series ZH Vacuum Pressure @ 75 PSI -85 kPa