The EN strength and stability tests are European voluntary norms that have been ratified by the European Standardization Organization. EN test distinguishes between domestic and non-domestic use. Most Muuto furniture conforms to the highest level of nondomestic EN norms. Muuto tests furniture to the EN testing of minimum L2 levels.
EN 15373:2007-L2 Furniture – Strength, durability & safety – Requirements for non-domestic seating

Products with EN 15373:2007-L2