Experience powerful and reliable water purification with the Big Blue Filter System, designed for whole-house or commercial applications that demand high-capacity filtration and consistent water quality. Built with large-diameter filter housings, the Big Blue system efficiently removes sediment, chlorine, rust, silt, and other impurities, ensuring clean, safe, and great-tasting water ... https://store.afwfilters.com/20-inch-big-blue-filters/