Compatible with Waterdrop Under-Sink Ultra Filtration System (WD-TSU-B/WD-TSU-W) and Waterdrop Integrated DC Filtration System (WD-TSC-W/WD-TSC-B).
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Compatible with Waterdrop Under-Sink Ultra Filtration System (WD-TSU-B/WD-TSU-W) and Waterdrop Integrated DC Filtration System (WD-TSC-W/WD-TSC-B).

Compatible with Waterdrop Under-Sink Ultra Filtration System (WD-TSU-B/WD-TSU-W) and Waterdrop Integrated DC Filtration System (WD-TSC-W/WD-TSC-B).

Enhanced filtrationThe CT filter effectively reduces chlorine, lead, taste and odor, and other harmful heavy metals.

The Waterdrop WD-A1-RO replacement filter is designed for the WD-A1 reverse osmosis hot and cold water dispenser, certified by NSF/ANSI 372 for lead-free materials and tested by SGS for safety. With 0.0001μm RO filtration, it effectively reduces over 1,000 contaminants including PFAS, fluoride, lead, chromium, arsenic, nitrate, and radioactive substances, ensuring clean and safe water. Built with durable BPA-free materials and tested to withstand 100,000 water hammer cycles, it provides reliable performance for up to 12 months. The filter is engineered for quick 3-second replacement, offering convenience, safety, and consistent water quality.