Windex original is America's no. 1 glass cleaner. Trusted by generations for its famous streak-free shine, Windex original 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. • Glass cleaner with ammonia-D® • Streak free shine • Original formula • Economy size • 23 oz • Model: 20133