Aquaboon 5 Micron 20 x 4.5 Water Filter Cartridges Set of 4, Whole House Water Filter Replacements for 2-Stage Sediment Chlorine, Odors Reduction About this item 2-Stage Water Filter Purification for Cleaner Water: Our 20" x 4.5" water filters cartridges combines the power of a 5-micron sediment filter and a CTO carbon filter. Together, they remove sediment, chlorine and impurities, delivering clean, fresh water. Sediment Well Water Filtration for Particle Removal: Whole house sediment water filter cartridge traps fine particles of sand, silt, dirt and rust, ensuring more efficient performance of well water filter system while protecting appliances and plumbing. Coconut Shell Activated Carbon Filtration: Our next water filter replacement cartridge is crafted from activated carbon. CTO filter effectively absorbs chlorine, VOCs and bad odors. Enjoy water out of contaminants and enhanced in taste and purity. Lasting Performance At High Flow Rate: Each of house water filters cartridges is designed to last up to 4-6 months, depending on water conditions. The high flow rate of our 20-inch water filter cartridges ensures a steady supply of filtered water. Easy Installation and Maintenance: This whole house filter replacements set fits standard 20" big water filter housing models, making installation quick and easy. Follow the simple instructions to replace your well filters and enjoy simple maintenance. Comprehensive Water Protection for Your Home: Ideal for well water filters and municipal filtration systems alike, our house water filters ensure the removal of sediment and chemical contaminants. This 2-stage water filter system helps protect household. Reliable Compatibility Across Brands: Our 20 x 4.5 water filter replacement cartridges are compatible with major brands like iSpring, Pentek, making upgrade or replacement of your whole house sediment filter or carbon block filter simple and efficient.