4.5″ x 20″ Carbon Block Filter

The 4.5″ x 20″ Carbon Block Filter Cartridge is a high-capacity solution designed for whole-house water filtration systems. Built to fit most standard 20″ big blue-style housings, this filter delivers powerful performance by reducing chlorine, bad tastes, odors, and fine sediment—including rust, sand, and scale—down to 5 microns.

Its advanced carbon block construction offers superior adsorption and flow rate, making it ideal for homes that rely on municipal or well water sources. With its larger size, this filter provides extended service life and fewer change-outs, ensuring clean, fresh water throughout your entire home.

Size: 4.5″ x 20″
Type: Carbon Block Filter
Micron Rating: 5 Microns
Application: Whole House Filtration, Municipal or Well Water
Benefits: High Chlorine Adsorption, Improves Taste & Odor, Reduces Sediment, Long-Lasting Performance