Venturi Pneumatic Air Blower Includes Cone Inlet Housing Multiple Inlet Ports Static Ground Connection Air Inlet Connection Size 1 in Maximum Inlet Pressure 140 psi Air Inlet Type NPT Air Inlet Gender Not Applicable Total Air Flow @ 60 PSIG 2 560 cfm Total Air Flow @ 40 PSIG 3 620 cfm Total Air Flow @ 90 PSIG Not Applicable Air Consumed @ 40 PSIG 80 scfm Air Consumed @ 60 PSIG 60 scfm Air Consumed @ 80 PSIG 80 scfm Application Ventilation Base Diameter 11 1/4 in