Venturi Style Pneumatic Air Blower, Inlet Connection 1/2 in NPT, Base Dia. 7 1/3 in, Overall Length 30 1/2 in, Max. Inlet Pressure 140 psi, 20 scfm Air Consumed @ 40 PSIG, 30 scfm Air Consumed @ 60 PSIG, 40 scfm Air Consumed @ 80 PSIG, 960 cfm Total Air Flow @ 40 PSIG, 1,135 cfm Total Air Flow @ 60 PSIG, 1,310 cfm Total Air Flow @ 80 PSIG, Base Material Cast Aluminum, Housing Material Plastic, Application Ventilation with Compressed Air or Steam of Hazardous or Explosive Vapors