22172659 AA SLOIN R D800/675/25 MSP GYF Acoustically effective accessory that can be installed in SLOTLIGHT Round and can also be mounted independently of the luminaire. Suitable for absorbing 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) PET moulded fleece in colours: Base material: grey fleece. Open edges to achieve even better absorption levels. Four different installations possible by adding the appropriate mounting accessories. Pre-perforated openings for the corresponding clips and pre-assembled countersunk threaded sleeves. Dimensions: Ø675 x 25 mm weight: 2 kg