#21 Windex Ammonia-Free Glass Cleaner Spray Bottle, Crystal Rain, 23 Fl Oz 4.7 out of 5 stars 1,830 2 offers from $2.50 source https://www.amazon.com/Windex-Crystal-Glass-Cleaner-Fluid/dp/B01GFLZ4DU/ref=zg_bs_10802561_21/132-0989431-4192411?_encoding=UTF8&psc=1&refRID=FZT7A0ETYBAQRDDZAQ1T
