This filter offers very effective taste, chlorine, and odor reduction, coupled with superior sediment reduction. These filter cartridges have high dirt-holding capacity and are best suited for point-of-use (POU) applications, such as under sink or under counter water filter units.  These filters have a polypropylene polyspun exterior filter area and a carbon block interior filter area. Size 2-7/8″ x 9-7/8″. Fits most standard 10″ filter housings.