Air output: 6500 cfm. Dimensions in mm (upright):(H)830 x (D)280 x (W)800. Weight: 17 kg. Colour: Graphite. Speed control: Infinitely variable from zero - 1350 rpm. Average running current approx. 2A. Average running load approx. 550 - 600W. Typical noise levels (1m, 90 from air stream): 42dBA (low speed), 58dBA (high speed).