1 Micron 10" x 2.5" Whole House CTO Carbon Water Filter Cartridge Replacement for Home Countertop System, Dupont WFPFC8002, WFPFC9001, FXWTC, SCWH-5, WHEF-WHWC, WHCF-WHWC, CTO10, T01, 4PACKExcel. Quality Food Grade Material Meets European EC1935 2004 Regulations, Australia Water Mark, ROHS, REACH, BPA FREE Certified. This kind of filter is recommended for tap water filtration. The filter reduces up to 99% of Chlorine, sand, rust, sediment, and color. Long Lasting Service Life Depending on water quality, the CTO carbon filter can filter up to 13000 gallons. If your water source is well water, this filter may not achieve the desired