Where can I find Filter sleeves in Haan?

Filter sleeves can also be found in these cities:

Cologne Dormagen Duisburg Düsseldorf Erkrath Essen Heiligenhaus Hilden Kürten Langenfeld (Rheinland) Leverkusen Mettmann Neuss Ratingen Solingen Velbert Wuppertal

You can also find this in Haan:

Cheese Particle Lemon Aroma Jam Ice Cream To Portion Poultry Still Water Coffee Pods Poppy Seed Roll Canned Fruit