Premium Unger ION exchange resin filter system provides pure, chemical-free water suitable for multiple cleaning applications including bungalow and ground floor windows, garage doors, small boats, 4x4's, wheelie bins, gates, roller shutters, eye-level signage, and cars. Uses just the resin and the pressure of an outdoor tap to provide a clean, streak-free result. Demineralises tap water and sends it up to the brush and bristles to allow a simple, professional quality clean. Includes TDS meter to determine water quality. Connects to standard outdoor domestic tap attachments. Supplied with 1.5m telescopic pole for extra reach when cleaning at heights, with no need to use a ladder. 1.5m Pure Water Non-Chemical Cleaning 3m Reach No Need for Electricity 1.5m Pure Water Non-Chemical Cleaning 3m Reach No Need for Electricity