Where can I find Filter coffee in Windeck?

Filter coffee can also be found in these cities:

Bad Honnef Breitscheidt Eitorf Gebhardshain Gieleroth Hachenburg Hennef (Sieg) Much Overath Peterslahr Reichshof Ruppichteroth Waldbröl Wiehl Wissen

You can also find this in Windeck:

Yogurt Baking Soda Peanut Butter Popsicle Sausage Schupfnudeln Salt Sticks Pasta Pesto Brandy