How to keep the home and the office carpet spotless and smelling well? We know that it is an important part of the indoor environment and influences on our comfort, well-being and health, especially. But there is something more. Recently I have understood pieces of evidence which are very curious for me and sound not only interesting but also really impossible. According to the experts and the experiments they have made, the carpet is like an air filter in the dwellings. Carpeting improves the indoor air quality and has the ability to absorb the airborne dust and allergens, even the particles and pollen, coming from outside.