The HB281 is the ideal blower for the operator looking for high performance and durability in a handheld. The HB281 handheld blower features a 28.0 cc, 1.1 horsepower engine that produces a maximum air speed of 170 mph. This high power to weight ratio enables the operator to complete the job quickly with minimal fatigue. A gutter kit is available as an optional accessory. Specifications Capacity Air flow in housing: 470 cfmAir flow in pipe: 425 cfmAir speed: 170 mph Dimensions Weight: 9.4 lbsWeight: 4.26 kgProduct size length: 14.9 inTube diameter: 0 in Engine Cylinder displacement: 28 cm³Power output: 1.1 hpMaximum power speed: 8000 rpmFuel tank volume: 16.9 fl ozIdling speed: 3000 rpmElectrode gap: 0.024 inFuel consumption: 575 g/kWhEngine Family CARB: *PWES.0284BQEngine Family EPA: *PWES.0284BQ Sound and Noise Sound power level, guaranteed (LWA): 112 dB(A)Sound power level, measured: 109 dB(A)