Overview Product Description T9-DB124, 12 in. Round In line Vent Duct Booster PROAXIAL 4-POLE DUCT BOOSTER - 12 in. ROUND Designed for larger ducts requiring commercial grade power & performance. Free Air CFM: 700 Max Boosted CFM: 1160 Aluminium blade. dBA of 61. 120 Watt 3100 RPM Voltage - 110 1.5 Amps Single Speed, CW Rotation, Sleeve Bearing, Flange Mount, 12.0 Capacitor Product Videos Custom Field Product Reviews