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