22172685 AA SLOIN R D1500/1375/25 MSP AZF SBF 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 accessory is made of high-quality, flame-retardant (C-s2-d0) PET moulded fleece (30% recycled content) in colours: Base material: anthracite fleece, colour layer: Saphire Blue. 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: Ø1375 x 25 mm weight: 2.9 kg