OPUS Screenwash 10:1 is an advanced formulation designed to perform effectively in winter and summer. The Isopropanol concentration provides superior protection against freezing. Special ingredients help to prevent the windscreen and jets from re-freezing at the start of a journey in frosty weather. Powerful detergents clear grime and dried on insects with a minimum of foaming to maintain driver’s vision. OPUS Screenwash 10:1 has been formulated to condition and lubricate wiper blades to improve performance. Added water softeners prevent hard water deposits from blocking washer jets and enhance the detergent action.