The electric scarifier fan RG-SA 1433 is a high quality, powerful and reliable unit that provides excellent service for hobby gardeners with the highest demands for professional ventilation and for scarifying small to medium sized ground areas for a healthy, weed-free lawn. With 20 stainless steel knives, the ball-bearing blade roller removes weeds and moss, including roots, extremely effectively. The also ball-bearing fan roller achieves excellent floor ventilation with 48 claws. The powerful series connection motor delivers strong torque for continuous work progress and uniformly good results.