Karcher Window Vac Wv 2 Plus With the innovative Window Vac, Karcher has revolutionised window cleaning. When you use the original Karcher Window Vac, cleaning becomes child's play, saving you a great deal of time and effort. Thanks to the electrical suction, the annoyance of dripping water is now a thing of the past. The clever combination of spray bottle and microfibre wiping cloth as well as the suction function of the Window Vac ensure highly effective cleaning and sparkling clean windows - without streaks and residues. In addition, the handy and ergonomic Karcher battery-powered Window Vac enables particularly hygienic window cleaning, as there is no direct contact with dirty water.