Full Crystal Window and All Purpose Cleaner is a necessity for every household! Excellent for cars, boats, RV's, patio furniture, siding, and windows all the way through the screens! You can use Full Crystal with complete confidence, as this formula will not harm your grass, plants, shrubs or pets. Simply add recommended amount of powder formula to our unique bottle with aluminum nozzle and shut off valve. Attach bottle cap to your garden hose and then attach filled bottle. Full Crystal formula and bottle allow you to clean second and even third story windows, while keeping both feet on the ground. Reaches up to 27 feet high with 60 pounds of pressure. Just spray on and rinse off for a streak-free and spotless finish. Each 4 oz pack will clean up to 20 windows! No wiping, streaking or spotting - just spray on, rinse off. Keep the bottle and buy refill cleaner. Fill sprayer bottle to the top of the upper three ridges on the bottle with warm to hot tap water. Pour one refill packet of Full Crystal powder into bottle while stirring until completely dissolved. Attach sprayer cap to garden hose then attach filled sprayer bottle to cap.