4.5" x 20" Tannin Reduction RO/DI TANK and replacement is simple—just pour

and replacement is simple—just pour it into your existing tank

♻️ Easy Maintenance – Drop-in replacement with no backwashing or regeneration required

and proven activated alumina / GAC performance

5” x 20” Cation Resin Filter Size 4

4.5" x 20" Tannin Reduction RO/DI TANK and replacement is simple—just pourProduct Overview The LiquaGen 4. 5 x 20 Tannin Reduction Filter Cartridge is a high capacity Big Blue cartridge designed to effectively reduce tannins, organics, chlorine, arsenic, phosphates, silica, sulfates, and turbidity. Built with premium ion exchange resins and specialty absorbents, it improves taste, clarity, and water quality throughout your entire home while protecting plumbing, laundry, and fixtures from discoloration and staining. With its