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- Top Quality Replacement which fits most Big Blue 20" Whole House Systems.
- Includes: 1PCS Sediment Filter (5 Micron), 1PCS Carbon Block (5 Micron) & 1 GAC Carbon + KDF 55.
- Cartridges are designed for high-flow water filtration applications. Perfect for well water.
- Unique, wide cartridges are capable of filtering enough water for a house, apartment or office.