Venturi Style Pneumatic Air Blower, Inlet Connection 1 in NPT, Base Dia. 11 1/4 in, Overall Length 44 in, Max. Inlet Pressure 140 psi, 76 cfm Air Consumed @ 50 PSIG, 99 cfm Air Consumed @ 70 PSIG, 127 cfm Air Consumed @ 90 PSIG, 2,770 cfm Total Air Flow @ 50 PSIG, 3,340 cfm Total Air Flow @ 70 PSIG, 3,752 cfm Total Air Flow @ 90 PSIG, Base Material Cast Aluminum, Housing Material Galvanized Steel, Application Ventilation with Compressed Air or Steam of Hazardous or Explosive Vapors