Venturi Pneumatic Air Blower Includes Base Plastic Handle Static Ground Connection Air Inlet Connection Size 1/2 in Maximum Inlet Pressure 140 psi Air Inlet Type NPT Air Inlet Gender Not Applicable Total Air Flow @ 60 PSIG 6 180 cfm Total Air Flow @ 40 PSIG 6 200 cfm Total Air Flow @ 90 PSIG Not Applicable Air Consumed @ 40 PSIG 194 cfm Air Consumed @ 60 PSIG 190 scfm Air Consumed @ 80 PSIG 250 scfm Application Ventilation Base Diameter 17 1/2 in Base Material Cast Aluminum