The mounting plate is necessary to mount the outer cover on the compensation frame. No mounting plate is required to mount the plastic outer cover.Article: PPB 30 ARE BB, Installation location: external wall, Installation position: horizontal, Material: stainless steel, brushed, Color: stainless steel, brushed, Weight: 0.39 kg, Weight with packaging: 0.5 kg, Width: 256 mm, Height: 256 mm, Depth: 1 mm, Width with packaging: 295 mm, Height with packaging: 320 mm, Depth with packaging: 8 mm