Exhaust Fan Kit Housing Material Galvanized Steel Fits Duct Dia 6 In. Voltage 120V Max Amps 1.02 Max Wattage 120 Number of Speeds 1 Housing Dia 13-1/8 In. Length 8-5/8 In. Motor RPM 2350 CFM @ Duct 370 CFM @ 0.000-In. SP 418 CFM @ 0.100-In. SP 394 CFM @ 0.200-In. SP 370 CFM @ 0.400-In. SP 317 CFM @ 0.600-In. SP 268 CFM @ 0.800-In. SP 224 CFM @ 1.000-In. SP 186 CFM @ 1.500-In. SP 101 Max Inlet Temp 140 Degrees F Inlet and Outlet Dia 6 In. Motor HP 1/6