The EUROLITE Filter frame Theatre 2000 bk is a separately sold metal filter frame for a compatible spotlight. It is designed for adding colour to a white beam and has an octagonal shape with a 20 x 20 mm grid size. The frame is made from 1 mm metal and finished in black. It measures 25.5 cm in width and height, has a 20.2 cm diameter, and provides a 25.7 x 25.7 cm slot for the spotlight. Its weight is 0.30 kg.