Where can I find Filter sleeves in Leinfelden-Echterdingen?

Filter sleeves can also be found in these cities:

Aidlingen Ammerbuch Böblingen Esslingen am Neckar Fellbach Filderstadt Kernen im Remstal Korntal-Münchingen Kornwestheim Leonberg Magstadt Neuffen Renningen Sindelfingen Stuttgart Waiblingen Wangen im Allgäu Weinstadt

You can also find this in Leinfelden-Echterdingen:

Still Water Coffee Pods Poppy Seed Roll Canned Fruit Olive Oil Champagne Aperitif Dry Soups Wild Cold Cuts