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♻️ Refillable Cartridge – Replace the BIRM media as needed for cost efficiency
5" x 10” Big Blue housings
recommended service life of 6–12 months
and small businesses needing reliable filtration
4.5" x 20" BIRM / KDF 85 Filter Cartridge (Iron, Manganese, Sulfur & Rotten Egg Smell Reduction) marine depot ♻️ Refillable Cartridge – ReplaceProduct Overview The LiquaGen 4. 5 x 20 Birm KDF85 Filter Cartridge is a high capacity Big Blue cartridge designed for whole house water treatment. Using a proven blend of Birm media and KDF85 granules, it effectively reduces iron, manganese, and hydrogen sulfide (rotten egg smell)three of the most common well water problems. With its large 4. 5 diameter and 20 length, this refillable cartridge offers extended capacity, higher flow rates, and longer
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