AquaTru Carafe AT100 2-Stage Pre/Carbon Filter | Reduces Sand, Silt, Sediment, Rust, and Particles | Activated Carbon Reduces Chlorine Taste and OdorsSpecifically designed to fit in the AquaTru Carafe Countertop Water Filter Purification System ONLY. Part AT100 is NOT made for AquaTru Classic, Connect, or Under the Sink Models. Certified to NSF Standards Dual Replacement Filter combines the Sediment Pre Filter and the Activated Carbon Pre Filter into one. Stage 1 (Sediment Pre Filter) portion of this filter reduces sand, silt, sediment, rust and particles from water. STAGE 2 (Activated Carbon Pre