Zep Commercial ammonia-free glass cleaner concentrate is an industrial strength formula that cleans glass, acrylic, mirrors, and tinted windows. Removes smudges, dirt, and dust. Cleans without streaking. 1 Gal. No. ZU1052128: Size: 1 Gal., Application: Concentrate, Fragrance: Fresh Scent, Pkg Qty: 1, Package Type: Bottle