Acoustically effective element that can be mounted in the SLOTLIGHT Round as well as independently of the light fixture. Suitable for the absorption of direct sound from below, as well as sound reflected from walls and ceilings. The acoustic element is made of high-quality, flame-retardant (C-s2-d0) nonwoven fabric made of PET (30% recycled content) in the colors: base material: anthracite fleece. Open edges to achieve even better absorption rates. Four different installation options available with the addition of the corresponding mounting accessories. Pre-drilled openings for the appropriate holders, as well as already pre-assembled recessed threaded sleeves. Dimensions: Diameter 675 x 25 mm, Weight: 2 kg.