The CFS2501 is a fine-sediment replacement type of cartridge. It is a drop-in style replacement cartridge that is economically priced and helps to reduce particulates and sediments in water that can damage kitchen appliances/equipments. The cartridge has an absolute pleated membrane cartridge that purifies water up to 0.65 microns. The dimensions are standard at 1-inch height and 9.75-inch length. The CFS2501 offers you the option to choose media for graded density. The charge modified, activated carbon, and pleated polypropylene offer an array of sediment holding capacities along with an impressive micron rating, and chlorine-reduction capabilities. The flow rate is 3 gpm. The cartridge can be used in 3M premium drop-in style housings as a replacement or as a retrofit.