The HydroTube offers a better, faster way to clean windows for up to 5 stories safely from the ground. The unique linear design allows us to build a sophisticated high volume reverse osmosis DI water purification all in one portable tube. The result is spot free windows at a fraction of the cost and time of any other system. The HydroTube moves easily in and out of vehicles, up and down steps, and across any terrain. It has the unique ability to produce a high volume of pure water on normal tap pressure. The possibilities are endless and the system can be upgraded at any time with an electric or gas module. This includes a 4 stage filtration system which involves reverse osmosis and deionization process to produce mineral free water providing for incredible cleaning action and spot free windows.