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.

2.6 % of the addressees took advantage of the offer and fixed an appointment with a Vorwerk salesperson. During the campaign period, a 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.