EXTERIOR CLEANING CONCENTRATE TENZI "APC OUT" 1 L Preparation for cleaning facades, roofs, facades from tar contamination, organic dirt (plants, insects, putrefactive processes), oil contamination. Concentrated, alkaline product removing persistent contamination of operational origin, i.e. mud from wheel arches, brake pad deposits. Depending on the concentration used, the preparation can be used on sills, wheel arches, rims and tires.