Reduction pieces for mounting pipe fans in pipe systems. REM ...: Made of impact-resistant plastic. REM ... Ex: Made of antistatic material (metal) for use in potentially explosive areas. Article: REM 18/12 Ex, Installation location: Pipe, Material: Metal, Weight: 0.6 kg, Weight with packaging: 0.9 kg, Reduction to nominal width: 180 mm / 125 mm, Width: 179 mm, Height: 179 mm, Depth: 186 mm, Width with packaging: 183 mm, Height with packaging: 183 mm, Depth with packaging: 195 mm