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 40 lpm, Maximum Supply Pressure 72 psi, Valve Type 2 NC Supply and Release, Vacuum Pressure @ 40 PSI -55 kPa, Overall Length 98 mm, Maximum Operating Temperature 60 Degrees C, Includes Muffler, Needle Flow Control Valve, Release Valve, Supply Valve, Vacuum Pressure @ 75 PSI -84 kPa, Valve Supply Voltage 24 V DC