Pentair Pentek C1-20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Heavy Duty Dual Purpose Powdered Activated Carbon-Impregnated Cellulose Replacement Cartridge, 20" x 4.5", 5 Micron , Black

Pentair Pentek C Series Cartridges offer an economical solution for all 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 taste, odor, and chlorine taste & odor from your tap water. External netting provides additional strength and dirt-holding capacity. C Series Cartridges are available in a variety of sizes and are nominally rated at 5-microns. These dual-purpose cartridges are well suited for a wide range of residential applications, and make excellent polishing filters when used in process or closed-loop streams.

• DUAL-PURPOSE CARTRIDGE filters out fine sediment particles and reduces unwanted taste, odor and chlorine from your tap water in a single filter
• FITS ALL 20" Pentair Pentek Big Blue or other 20" heavy duty filter housings and can replace any 20" x 4.5" carbon filter cartridge
• ECONOMICAL WATER FILTRATION SOLUTION for use in residential chlorinated water supplies
• EXCELLENT POLISHING FILTER when used in process or closed-loop streams
• 40,000 GALLON CAPACITY. Replace every 1 year or when you notice a change in water pressure or quality