Air Amplifier Kit Amplification Ratio 12 Inlet Size 1/8 in Air Inlet Type NPT Inlet Diameter 1 in Discharge Dia 3/4 in Maximum Sound Level 69 dBA Body Material Aluminum Air Consumption 6.1 scfm Air Output Volume @ 80 psi 73 scfm Output Type High Efficiency Fixed Includes Super Air Amplifier Includes Filter Separator Filter Separator Included Includes Pressure Regulator Pressure Regulator Included Includes Shims Shim Set Included Mounting Hole Diameter 1/4 in