- World Wide Window Cleaning Supplies has the world’s best water purification systems, made in Australia, with low running costs and low maintenance. We have complete water fed pole and water treatment packages which include everything you need to plug in and get started with water fed cleaning, including DI system, carbon fibre pole, brush, hose, TDS meter and angle adapter. And There’s something for every window cleaner – lift & carry DI systems, systems on trolleys, systems with multiple outlets, systems with inbuilt detergent dispensers. For more details call us at +61 3 9544 6570.