Inline Centrifugal Duct Fan Housing Material Steel Fits Duct Dia 10 In. Voltage 120V Max Amps 3.01 Max Wattage 329 Number of Speeds 1 Housing Dia 12-1/2 In. Length 15 In. Motor RPM 2700 CFM @ Duct 910 CFM @ 0.000-In. SP 910 CFM @ 0.125-In. SP 873 CFM @ 0.250-In. SP 836 CFM @ 0.375-In. SP 795 CFM @ 0.500-In. SP 752 CFM @ 0.750-In. SP 653 CFM @ 1.000-In. SP 547 CFM @ 1.500-In. SP 342 Max Inlet Temp 140 Degrees F Inlet and Outlet Dia 10 In. Includes Mounting Brackets