Tried and true, tested and trusted, conventional ventilators have stood the test of time. The GF series are the PPV fans that helped to build the RAMFAN brand in the industry and these economical gas fans are well known for their durability. Compact and light with outstanding close range ventilation using TurboForce™ technology to generate stronger, faster and more focused airflow than possible with conventional propeller designs.     Specifications: Model GF165 Part GA5006 Weight 84 lbs / 38 kg Impeller 21-Blade Dimensions (h/w/d) 22 x 20.2 x 20 in / 56 x 51 x 51 cm Engine Honda GX160 4.8 Hp / 3.5 kW Noise 96.2 dB@3' (1 m) Run Time 2 hrs 06 min Approvals CE AMCA