With the design Zehnder Abacus ventilation grids are no longer just ventilation grids they are also applicable as decorative elements in a room. Zehnder Abacus matches very well in modern design ambience and is suitable for use as a wall and ceiling outlet. The designer Tine Wagenmann was inspired by the slide rule with the same name. Zehnder and Tine Wagenmann have chosen natural stainless and white steal besides Corian, which stands for high quality; it is extremely stable and easy to clean. Dimensions: 260 x 160 mm, 350 x 150 mm