CONCENTRATE FOR CLEANING EXTERNAL SURFACES TENZI "APC OUT" 1 L Preparation for cleaning facades, roofs, facades from tarry dirt, dirt of organic origin (plants, insects, rotting processes) and oil-derivative pollution. Concentrated, alkaline product that removes stubborn impurities of operational origin, i.e. mud from wheel arches, deposits from brake pads. Depending on the concentration used, the preparation can be used on sills, wheel arches, rims and tires.