Jet Fan, Air Inlet Connection Size 3/4 in, Air Inlet Gender Not Applicable, Air Inlet Type NPT, Includes Jet Fan Only, Maximum Inlet Pressure 100 psi, Duct Diameter 20 in, Maximum Flow in Free Air 10,500 cfm, Maximum Air Consumption 292 scfm, Blower/Fan Speed 3,000 RPM, Color Gray, Material Aluminum, Stainless Steel, Height 9 7/8 in, Length 24 3/4 in, Width 24 3/4 in, Power Source Air Driven, Standards OSHA