The cooling o the engine is good by using blower
The spring connecting structure make shock absorption obviously
The double face impeller structure make the wind stronger,then make the cleaing much efficient.

Handheld Blower/Vacuum-KASEI handhled blowers and blower vacuums make clearup faster and easier.It is powered by an easy starting.Noise,weight and emissions are lower;power and air volume are higher.Fuel consumption is lower,as is vibration.