• Highlight: Pre-packed quick-change resin bag drops into Unger HydroPower DI tanks in under a minute — no loose-resin spill on rooftops or ladders.
• Best For: Window cleaners using Unger HydroPower DI on multi-story commercial work.
• Expert Note: Typical bag yields ~300 gallons of pure water at 200 ppm feed — track gallons, not days, for predictable swap intervals.
