GF Series Blowers Model: GF 80 Voltage/Frequency: 120V/60Hz AirFlow: 8.6 CMM AirSpeed: 26.5 M/S Model: GF 70 Voltage/Frequency: 120V/60Hz AirFlow: 7.1 CMM AirSpeed: 26.0 M/S Model: GF 60 Voltage/Frequency: 120V/60Hz AirFlow: 6.8 CMM AirSpeed: 21.0 M/S Model: GF 50 Voltage/Frequency: 120V/60Hz AirFlow: 5.0 CMM AirSpeed: 21.5 M/S Model: GF 40 Voltage/Frequency: 120V/60Hz AirFlow: 3.1 CMM AirSpeed: 18.5 M/S Model: GF 30 Voltage/Frequency: 120V/60Hz AirFlow: 2.5 CMM AirSpeed: 15.0 M/S Model: GF 20 Voltage/Frequency: 120V/60Hz AirFlow: 1.2 CMM AirSpeed: 14.5 M/S Model: GF 10 Voltage/Frequency: 120V/60Hz AirFlow: 1.0 CMM AirSpeed: 12.5 M/S