Stearns is one of the few manufacturers that sells a concentrated glass window cleaner. Instead of paying for a diluted product that is mainly water, you are paying strictly for the glass cleaning product, and then adding the water yourself. This package comes with 4 containers that containe 80 glass cleaning packs each, and a spray bottle. You basically get 320 quarts of class cleaner, which divides out to about $0.28/quart. You not only save yourself money on the product, but you also save money on the shipping!
Directions: 1.) Insert entire packet of Stearns concentrated glass window cleaning pack into the quart bottle (Do not cut or tear the packet before inserting it into the bottle). 2.) Fill quart bottle with warm water up to fill line. 3.) Attach sprayer head to bottle. 4.) Lightly shake bottle to thoroughly mix concentrate and water. 5.) Spray and wipe with a clean cloth.