Alliance Window Washing is pleased to provide Pure water window cleaning. The equipment allows workers to clean windows safely and efficiently from the ground. To explain it simply, water from your garden tap runs into a purifier- a series of filters that create water that has 0 parts per million- that leaves a spot free and streak free perfectly clean window. If you have any doubts feel free to contact us and we can give you a quote and clean one window for free to show you. It is now the preferred tool for window cleaners worldwide.