Venturi Pneumatic Air Blower Includes Static Grounding Lug Air Inlet Connection Size 1 in Maximum Inlet Pressure 140 psi Air Inlet Type NPT Total Air Flow @ 90 PSIG 5 041 cfm Air Consumed @ 50 PSIG 117 cfm Air Consumed @ 70 PSIG 152 cfm Air Consumed @ 90 PSIG 197 cfm Application Ventilation Base Diameter 14 3/8 in Base Material Cast Aluminum Housing Material Steel Overall Length 3 7/8 ft Total Air Flow @ 50 PSIG 3 785 cfm Total Air Flow @ 70 PSIG 4 562 cfm