Krud Kutter Window Wash is a biodegradable, non-toxic formula that effectively cleans windows without the need for scrubbing or wiping, even through screens. This concentrated, water-based cleaner easily removes dirt, grime and other tough soils. Leaves no streaks or spots behind. Contains no bleach or ammonia. Safe to use around plants and other vegetation. Each bottle cleans up to 18 average-size windows. Attach to a garden hose, spray and rinse in one easy step.