Pentek C1 cartridges offer an economical solution for all of your general-purpose water filtration needs. Constructed of a carbon impregnated cellulose media, these dual-purpose cartridges filter out fine sediment particles and reduce unwanted tastes and odors, including chlorine taste and odor, from your tap water. A polyester reinforcement backing and external netting provide additional strength and dirt-loading capacity. The C1 cartridge is nominally rated at 5-microns. C Series cartridges are available in various sizes and micron ratings. Length: 9-3/4", Diameter: 2-7/8"