Affordable Flow-Pur 8 Carbon Block Filter Compatible Filters 2 high quality NSF Certified 5 Micron Carbon Filters Fits Flow-Pure 8 System Model WCBCS-975-RV "Compatible" Carbon Block Filters Remove Taste, Odor, and Water Impurities International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.