Adhesive labels in the typical design of German doorbells. Directly attached underneath the doorbell panel, they demonstrate that you have many more housemates than you think: billions of dust mites. Luckily, there are allies in the battle against dust mites: Vorwerk salespersons. And Vorwerk vacuum cleaners.

The adhesive labels tell you what to do: make an appointment with a salesperson and have them demonstrate vacuum cleaner models specifically designed for people allergic to dust mites.2.6 % of the addressees took advantage of the offer and fixed an appointment with a Vorwerk salesperson. During the campaign period, at total of 9.7 % more in-house visits were made than during the same period of the previous year. The sales in vacuum cleaners suitable for allergic persons could be increased significantly.