Karcher WV 6 Plus Window Vacuum Squeegee - Also Perfect for Showers, Mirrors, Glass, & Countertops - 11 in. Squeegee Blade 1.633-512.0 - The Home Depot
Karcher 6.295-890.0 Glass Cleaner Concentrate for Window Vac at The Good Guys
Kärcher Window Vac WV 6 Premium review: a smooth operator for shiny surfaces | T3