Check Amazon (opens in new tab)One-minute reviewThe Karcher Window Vac WV 6 Premium is the brand’s most advanced window vacuum cleaner. It boasts some impressive technology that promises to deliver a streak-free shine to windows, mirrors, tiles, shower screens and more.As with the best vacuum cleaners and best cordless vacuums, I put the Karcher Window Vac through its paces in several ways. The set up, usability and battery runtime was all tested, along with how well the handheld appliance
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