Where can I find Windshield wiper fluid in Helgoland?

Windshield wiper fluid can also be found in these cities:

Bergkamen Bochum Castrop-Rauxel Dortmund Gevelsberg Hagen Herne Holzwickede Kamen Lünen Oer-Erkenschwick Recklinghausen Schwerte Unna Waltrop Witten

You can also find this in Helgoland:

Coffee To Go Coffee To Go Chilled Drinks Engine Oils Coffee Snacks Trash Can Tanks Window Cleaner