Air Amplifier Kit High Efficiency Fixed Material Aluminum Amplification Ratio 22 CFM @ 80 PSI 15.5 cfm Air Output Volume CFM @ 80 psi 1 023 cfm Air Inlet 3/8 in NPT Inside Dia 1.64 in Inlet Dia 2.0 in Discharge Dia 2 in Overall Length 2.95 in Pressure Range 5 to 120 psi Max dBA 72 dBA Temp Rating 275 Degrees F Includes Filter Separator Pressure Regulator Shim Set