Where can I find Medical face masks in Alfter?

Medical face masks can also be found in these cities:

Bonn Bornheim Brühl Cologne Erftstadt Frechen Hünxe Hürth Lohmar Niederkassel Rheinbach Siegburg Swisttal Troisdorf

You can also find this in Alfter:

Everyday Masks ffp2 Masks Mouthguard Medical Mouthguard Fountain Pen Vegetables Maggi Farfalle Semolina Porridge