20-inch High Flow 3 Stage Filter Kit with Sediment, Carbon Block, and Nitrate Filters

• Replacement or upgrade for standard 20" systems that utilize 4.5"x20" filter cartridges
• Sediment filter - 5-micron
• Carbon block filter
• Nitrate filter
• Standard 4.5-inch x 20-inch filters

The initial sediment filter reduces sand, sediment, dirt, and other particulates. Carbon block filter reduces a wide range of tastes, odors, and chemicals. Finally, the nitrate filter reduces both nitrates and nitrates to provide safer water.