Amazon.com - Vacuum cleaner for windows WV 50 plus
Karcher Deluxe Vacuum Cleaner Kit For Windows with Case WV 50 WV50 Unused!! | eBay
WV50 Window Vacuum Cleaner, 1.633-109.0 | Kärcher
Karcher WV 1 Plus Window Vacuum Squeegee - Also Perfect for Showers, Mirrors, Glass, & Countertops - 10 in. Squeegee Blade 1.633-041.0 - The Home Depot