Professional neutraliser of smells for industrial applications. Highly concentrated composition of the mixture has immediate effect on the molecules of bad smells and leaves fresh aroma. NEF® reacts with the bad smell in a targeted manner without covering it but decomposing it and thus preventing its further expansion. It does not leave stains; it is safe for a variety of surfaces. NEF® can be applied wherever the working environment is made unpleasant due to bad smells.