Vacuum Ejector Inline Box Style Pressure Port Size 1/4 in Tube Vacuum Port Size 1/8 in NPT Exhaust Type Muffler Supply Pressure Range 30 to 87 PSI Vacuum Pressure Range 0 to -48 KPA Vacuum Pressure @ 40 PSI -20 KPA Vacuum Pressure @ 75 PSI -48 KPA Vacuum Flow Rate 34Lpm Orifice Dia 1.0mm Length 67mm Width 19mm Height 40mm Weight 33g Temp Range 5 to 60 Degrees C Includes Muffler