Home Slickdeals 23oz. Windex Ammonia Free Glass Cleaner (Crystal Rain) $1.90 5% or $1.66... Slickdeals 23oz. Windex Ammonia Free Glass Cleaner (Crystal Rain) $1.90 5% or $1.66 15% AC w/s&s By ARCOM - 7 January 2020 113 0 SHARE Facebook Twitter Go to the deal page: 23oz. Windex Ammonia Free Glass Cleaner (Crystal Rain) $1.90 5% or $1.66 15% AC w/s&s