Keep your windows spotless for longer with Karcher RM 503 Window Cleaner Detergent Concentrate. Specially designed for use with the Karcher Window Vac, this powerful 500ml concentrate delivers streak-free results on all waterproof, smooth surfaces, including windows, glass, mirrors, and shower screens. Features and BenefitsCrystal-Clear, Streak-Free FinishNo smudges, just gleaming glass.Rain-Repellent FormulaHelps water run off windows faster, reducing streaks and marks.Delays Dirt Build-UpKeeps surfaces cleaner for longer, so you spend less time cleaning.Versatile UseSuitable for windows, glass tables, shower screens, and more.Perfect for Karcher Window VacDesigned for effortless, high-performance cleaning. SpecificationsVolume: 0.5L