4.5" x 20" Cation Exchange Resin Filter Cartridge (Water Softening & Hardness Reduction) RO/DI TANK all with standard 1/8" FNPT

all with standard 1/8" FNPT threads

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🧊 Reverse Osmosis Systems – Pre-treats water to protect RO membranes from fouling

⚡ Premium Mixed-Bed Resin – High-quality mixed cation & anion resin beads provide superior ion exchange performance

4.5" x 20" Cation Exchange Resin Filter Cartridge (Water Softening & Hardness Reduction) RO/DI TANK all with standard 1/8" FNPTProduct Overview The LiquaGen 4. 5 x 20 Cation Resin Filter Cartridge is the ultimate whole house water softening solution for homes with high water demand. Packed with premium 10% cross link strong acid cation exchange resin, this refillable cartridge effectively reduces calcium and magnesiumthe primary culprits behind scale buildup. As the largest size in the LiquaGen cation resin cartridge line, it delivers the highest grain capacity and longest