15 Series—the floral Gruber Design line made from 12 mm square tubing. 900 mm railing bars with a flower, sunflower, or ball; side panels; intermediate railing bars; and balcony railing bars. Also included are a 2080 × 960 mm filler and a 1240 × 960 mm door filler, as well as eleven Decorative parts: decorative vines, flowers, spacer elements, and caps. Frame made of 25 × 8 mm flat bars.