Cover made of sheet steel to protect against dust deposits. For subsequent rear mounting using two threaded screws. Delivery includes 2 pieces. The Mirona Fit ZDP accessory cannot be combined with the Mirona Fit AWB 2L/4L wall mount, the luminaire size 6L or the Mirona Fit-SPO version. 1 x order unit (equal to 2 ZDP covers) required for the luminaire size 2L. 2 x order units (equal to 4 ZDP covers) required for the luminaire size 4L. Accessories available for 10 years after the invoice date subject to reasonable changes in the interests of progress.