The 20° and 40° relates to the angle of the light emitted at the top and at the bottom. Available in White.
![Antonio Citterio](https://dm4c9mjc2jvtf.cloudfront.net/associated-media/UBJ/500/500/antonio-citterio.jpg)
Italian architect and designer Antonio Citterio was born in Milan in 1950.
Since 1972 he has worked with Italian and internationally renowned design companies such as Ansorg, Artemide, B&B Italia, Flexform, Flos, Hackman-Iittala, Kartell, Maxalto, and Vitra, as a product and industrial designer.