Cation Resin Filter Cartridge (Refillable) for Water Softening, Size - 20" x 4.5" Choose Pack::5 Pack Note: Pipe sizes do not

Note: Pipe sizes do not refer to physical dimensions

measuring 20 inches x 4

ensuring you get the best price on the market

Designed as a powerful anion filter cartridge

Cation Resin Filter Cartridge (Refillable) for Water Softening, Size - 20" x 4.5" Choose Pack::5 Pack Note: Pipe sizes do notElevate 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