Professional strength glass cleaner that quickly removes dirt, grime, and fingerprints without leaving streaks or residue. Ammonia-based formula. Dries fast, just spray and wipe. Not for use on tinted, acrylic windows or any surface harmed by water. Pros have relied on traditional ammonia-based solutions for many years to dissolve grease and dirt on windows and glass. This professional strength cleaner delivers hospitality-grade power in a ready-to-use format. Professional grade formula.