Windex Multi-Surface and Glass Cleaner with Ammonia-D makes glass and window cleaning fast and easy. It is also a excellent multi-surface cleaner. Trusted by generations for its famous streak-free shine, Windex Glass Cleaner cleans and shines glass, mirrors, and more! Thanks to its patented ingredient, Ammonia-D, Windex Original Glass Cleaner starts working on dirt and grime even before you wipe. 1 - Gallon