Where can I find Infusion bag in Grub?

Infusion bag can also be found in these cities:

Alland Baden Berndorf Brunn am Gebirge Freiburg im Breisgau Gablitz Guntramsdorf Hinterbrühl Kottingbrunn Leobersdorf Mauerbach Mödling Oberwaltersdorf Perchtoldsdorf Pressbaum Sieghartskirchen Teesdorf Vienna

You can also find this in Grub:

Chewing Gum Toast Spreadable Sausage Spinach Lemon Aroma Jam Vinegar Beef Cocoa Raisin Roll