can only be recommended, very good replacement for defective exhaust hood. Easy to install, easy to understand and implement installation instructions, dealing with screwdrivers and drills should be known. Tip: disassembly, cleaning and fixing holes from the new device to adjust (two hole diameter 2mm holes) mounting with screws provided and no further adjustment is necessary grip strip of old equipment. As a rule, the existing pipe exhaust system continue to be used, flex pipe makes sense then can be used existing hole in the closet. Workload complete for disassembly, cleaning, assembly, 90Minuten.