Waterdrop T4-A Alkaline pH+ Reverse Osmosis System Bundle with RT-CF Replacement Filter, Dual Flow, NSF/ANSI 372 Certified, 10-Stage Tankless Undersink RO Water Filter, 450 GPD, 2:1 Pure to Drain

[Dual Water Flow]: The WD-T4-A RO system offers two purified water options: a standard RO-purified stream and a mineral-enhanced alkaline stream. Switch between them effortlessly based on your needs — both deliver contaminant-reduced drinking water. Dual LED ensure complete water safety from filtration to faucet *NOTE: Faucet installation requires drilling holes in the countertop

[10-Stage Filtration with RO Membrane]: This system reduces harmful substances, including PFOA & PFOS, chlorine, heavy metals, rust, colloids and more impurities, through its comprehensive filtration stages. The dedicated mineral-enriched line then infuses beneficial alkaline minerals, delivering healthier, great-tasting water. ????????????????: This system requires an electrical connection for operation

[450GPD Flow & 2:1 Pure to Drain]: With a 450-gallon-per-day capacity and industry-leading 2:1 water-saving ratio, the WD-T4-A provides fast, on-demand purified water while reducing wastewater by up to 800% compared to traditional RO systems

[Smart Filter Life Reminder]: You won't miss a filter change with the indicator lights and buzzer alerts. Replacement intervals: CF filter: 6 months; RO membrane: 24 months; CB filter: 12 months; Alkaline mineralizer: 12 months

[Tankless Design]: The compact, tank-free system effectively avoids secondary contamination risks associated with water storage tanks, while freeing up 70% more under-sink space than traditional tank-based RO systems