[5-in-1 Multi-function]: Reduce heavy metals, Improve taste, Ionized alkaline water (increase water pH), Remineralize water, Reduce sediment; Meets NSF/ANSI 53&42 standard;
[10x Ultra High Capacity]: 0.2μm pleated surface filter, 10x capacity 10x life; 8K gallons cartridge life, 3 gallons/min water flow; [What to reduce?] Include but not limited to Lead, Mercury, Fluoride, Chlorine, Odor, Sand, Rust, Benzene, Asbestos, VOCs;
[Easy Change System]: Quick change, easy to use and install; Food-grade, BPA-free; Fit 1/2" & 3/8" valve and hose;
[Filter Life Indication]: Clear see-through housing, filter life indication; Fit municipal water and well water;
[Filter Replacement]: Max 12 months for sediment and 6 months for taste (Filter life depends on the local water quality; Suggest to replace every 6-8 months for better taste); replacement filter cartridge sold on amazon: Model#WS-USRF-001 advanced (5-in-1 multi-fuction filter, ASIN#B0871YBKVT) or #WS-USRF-001 basic (multi-stage filter, ASIN#B08CVGNXYC),★NOT for reducing TDS★;