Vacuum Ejector, Pressure Port Size 1/4 in, Pressure Port Type BSPT, Vacuum Port Size 3/8 in, Vacuum Port Type BSPT, Maximum Flow Rate 100 lpm, Maximum Supply Pressure 87 psi, Vacuum Pressure @ 40 PSI -40 kPa, Overall Length 116.5 mm, Maximum Operating Temperature 60 Degrees C, Includes Muffler, Exhaust Port Size 3/8 in, Series ZH, Vacuum Pressure @ 75 PSI -53 kPa