Blower Backpack from the company Blue Bird with powerful petrol engine with horsepower 4.2hp and displacement 75.6cc. Used for cleaning outdoor areas such as garden, road, park, and terrace from fallen leaves, plant debris or grass, and other types of pollutants that can be removed by air application thanks to its easy access to inaccessible points and corners. Suitable for demanding hobby and professional use due to autonomy in power supply and long working hours. It can produce air with a volume of 1500m³/h and a speed of 360(km/h) to clean larger surfaces by removing objects faster.