Soften Air –room dividers Soften Air –room dividers were chosen to the new Salo City Hall. There are 100 work spots at the large landscape office which is divided into a groups with Soften-room dividers hanging from the ceiling. The room dividers prevent effectively the sounds from spreading into the open space. Soften Air, S1e, off-white, height 2200mm and width 5500mm, sound absorbing classification: class A.