Acoustic element made of high quality, self-supporting PET felt with sound absorbing properties, consisting of 50% recycled PET; round design; high quality visual and tactile surface, marble grey; colour may deviate; absorption of direct sound and sound reflected from the ceiling; this creates high acoustic performance; for insertion into the MINO 60 CIRCLE 1000 ceiling or MINO 60 CIRCLE 1000 suspended; General: Luminaire / Track, Mounted, marble grey Physical: diameter 937 mm, height 24 mm, 3.3 kg Acoustics: Alpha w ($\alpha_w$) 0.65, SAC (sound absorption class) C, NRC 0.7, SAA 0.74 034-270111D