4.5" x 20" BIRM / KDF 85 Filter Cartridge (Iron, Manganese, Sulfur & Rotten Egg Smell Reduction) marine depot which enables a higher capacity

which enables a higher capacity of DI resin compared to our elementary series

🛡️ Corrosion Protection – Helps shield plumbing and appliances from acidic water damage

LiquaGen Glycerin Filled pressure gauges are UV Resistant to ensure ease of legibility even after extensive sunlight exposure

🚿 Leak-Free Design – Precision thermal-bonded cap and silicon sealing ring prevent bypass and leaks

000 gallons (varies by arsenic level & water quality) Recommended Lifespan 6–12 months or based on test results Cartridge Type Drop-in replacement Housing Compatibility Fits all standard 4

4.5" x 20" BIRM / KDF 85 Filter Cartridge (Iron, Manganese, Sulfur & Rotten Egg Smell Reduction) marine depot which enables a higher capacityProduct 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