Cation Resin Filter Cartridge (Refillable) for Water Softening, Size - 20" x 4.5" Choose Pack::5 Pack this refillable filter ensures premium

this refillable filter ensures premium water quality

measuring 20 inches x 4

providing long-lasting protection for your water supply

Designed as a powerful anion filter cartridge

ensuring you get the best price on the market

Cation Resin Filter Cartridge (Refillable) for Water Softening, Size - 20" x 4.5" Choose Pack::5 Pack this refillable filter ensures premiumElevate your water quality with the 20" Big Blue Cation Resin Filter, designed for hardness reduction and water softening. This filter, sized at 4. 5 inch x 20 inch, perfectly fits Big Blue filter housings. Utilizing an ion exchange process, it effectively reduces calcium and magnesium in tap water, softening it for various applications. While also capable of removing low concentrations of iron in tap water, it's recommended to use an Iron filter for