WV 2 Premium Easy handling, drip-free thanks to the suction and extremely time-saving – with Kärcher's original battery-powered Window Vac set, windows are left gleaming and streak-free in no time. The WV6 builds on Karcher's original window vac design, promising you great looking, streak free windows easily. Verdict. The WV 6 Premium is Kärcher’s most advanced window vac that effortlessly sucks up moisture leaving flat surfaces sparkling clean and streak-free. The WV6 Premium is Karcher's top of the range window vac package that’s fully equipped with a 280mm suction head & a premium spray bottle with microfibre cloth, giving you everything you need to leave your windows & surfaces sparkling clean & streak-free throughout your home. The WV6 builds on Karcher's original window vac design, promising you great looking, streak free windows easily. With an impressive 100 minute cleaning, time and minute-by-minute LED display means tasks can be planned and carried out hassle-free. W The WV 6 Premium is Kärcher’s most advanced window vac that effortlessly sucks up moisture leaving flat surfaces sparkling clean and streak-free. The WV 5 Premium Non-Stop Cleaning Kit includes a battery-powered Window Vac, a narrow suction nozzle (especially for lattice windows and small panes), a spray bottle with microfibre wiping cloth, cleaning agent, a charging station and exchangeable battery (for continuous cleaning). The Karcher WV 6 Premium offers the best cleaning results in the Window Vac range thanks to the new liquid silicone lip technology, achieving streak-free surfaces throughout your home. At WindowVac, we believe that having the right tools for the job is essential and when it comes to window cleaning there's no substitute for the top of the range Karcher WV5 Window-Vac. The WV 6 Plus Premium is Kärcher’s most advanced window vac that effortlessly sucks up moisture leaving flat surfaces sparkling clean and streak-free. The unit’s LED display shows the level of battery life so you’re never caught short. The new silicone lip technology ensures increased durability and flexibility to ensure cleaning from the upper edge to the ground without interruption.