Fast and effective moss and lawn thatch removal: Bosch UniversalRake 900 Electric Lawn Aerator. This versatile lawn aerator delivers excellent results year-round thanks to the Jet Collect system for fast and effective moss and lawn thatch removal. The 4-way working height adjustment makes it easy to adapt to simple and difficult applications, including leaf collection. Dual folding bars and a collapsible catch box make it easy to store, even in small spaces. Convenient to use: large, 50-liter catch box for less time spent emptying. Compact storage. Double folding bars and a collapsible catch box provide a total height of only 40 cm for storage.