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Stelo, a Breath of Fresh Air

An award-winning plant-based system for healthier schools

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In the city of Milan, more than a thousand schools are exposed to nitrogen dioxide concentrations higher than the legal limit of 40 μg/m³, which is already 4 times the WHO’s recommendation. The Stelo System includes innovations such as Stelo Air, a modular plant-based indoor air purifier that is mounted on classrooms walls. It can efficiently clean an average-sized classroom (65 m²) air in 15 minutes with almost no electricity.

Designed with public indoor spaces in mind, it aims to create a safe environment for children to grow and learn about nature, also thanks to the eco-curriculum to instil awareness of environmental standards.

Stelo Air has been awarded the iF Design Student Award 2024, one of the most important and prestigious design awards in the world.

Learn more about Stelo Air specifications and how it works.

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Stelo is a project designed with Marta Grauso, Julienne Joven, Kangling Qin, Yang Cen, and Benthe Schümmer.