Air Amplifier Adjustable Material Aluminum Amplification Ratio 22 CFM @ 80 PSI 35.2 cfm Air Output Volume CFM @ 80 psi 2 323 cfm Air Inlet 1/2 in NPT Inside Dia 2.2 in Inlet Dia 4 in Discharge Dia 3 in Overall Length 4.06 in Pressure Range 5 to 120 psi Max dBA 83 dBA Temp Rating 275 Degrees F