CFS – 4 Pack Pleated Carbon Block Water Filters Cartridge Filtration Compatible with NCP-BB – Remove Bad Taste and Odor – Whole House Replacement Water Filter Cartridge - 9-3/4" x 4-1/2" Inch, Black

✅ABOUT PRODUCT: It is a package of 4 carbon block water filter cartridges that are compatible with NCP-BB water filter cartridges. It has a larger surface area and a longer filter life. This water filter cartridge removes more pollutants by providing "depth" filtering.