4.5" X 20" Phosphate Crystals Filter Cartridge (Iron And Lime Scale Reduction) dual di canister 5” x 20” GAC/UDF Filter

5” x 20” GAC/UDF Filter Cartridge offers maximum carbon capacity and whole-house performance in a universal Big Blue design

With longer service life

Whether you need whole home protection or advanced heavy metal removal

Tank Size Calcite Media Required 9" × 48" 75 lbs 10" × 54" 100 lbs 12" × 52" 125 lbs 13" × 54" 150 lbs

4.5" X 20" Phosphate Crystals Filter Cartridge (Iron And Lime Scale Reduction) dual di canister 5” x 20” GAC/UDF FilterProduct Overview The LiquaGen 4. 5 x 20 Phosphate Crystal Filter Cartridge is built for maximum whole house protection against hard water. Packed with high capacity phosphate crystals, this refillable cartridge is designed to minimize scale buildup, protect plumbing from corrosion, and extend the life of household appliances. With double the capacity of a 10 Big Blue cartridge, it provides longer service life and reliable performance for families and