Sparkle glass cleaner, gallon bottle, 4 bottles – 20500 unique purple formula easily cuts through grease, grime and glass window film without streaking. Alcohol- and ammonia-free formula will not harm, etch, dry out or pit surfaces. Perfect for use on glass, windows, mirrors, plexiglas, chrome, countertops and stainless steel. Application: all-purpose; chemical compound: ammonia-free.