Air Amplifier Kit Adjustable Material Stainless Steel Amplification Ratio 20 CFM @ 80 PSI 21.5 cfm Air Output Volume CFM @ 80 psi 1 290 cfm Air Inlet 3/8 in NPT Inside Dia 1.64 in Inlet Dia 2.0 in Discharge Dia 2 in Overall Length 3.25 in Pressure Range 5 to 120 psi Max dBA 82 dBA Temp Rating 400 Degrees F Includes Filter Separator and Pressure Regulator