BIGUANID FLÄCHE N is an aldehyde-free and phenol-free concentrate for disinfection and cleaning of non-invasive medical devices, medical inventory as well as for all kinds of surfaces. BIGUANID FLÄCHE N has a broad efficacy, it is tuberculocidal and is active against norovirus. The user-friendly formulation of BIGUANID FLÄCHE N is based on quaternary ammonium compounds and contains neither aldehydes nor phenols. The product contains very efficient corrosion inhibitors and has a good material compatibility. It is recommended to be used in areas where in addition to the compliance with high hygienic demands, the avoidance of unpleasant odors is required.