Aries FilterWorks (AF-20-4010-BB) 20" x 4.5" Big Blue Mixed Bed Deionization (DI) Water Filter Cartridge - High-Purity Resin for TDS & Ionic Contaminant Removal - Semiconductor Grade, Made in USA Calcite1468 Not compatible with earlier 750

Not compatible with earlier 750 Series models or other Myron L meter lines

4-5/8" OD x 9-3/4" height

Works in refrigerators

Replace the E5433 carbon filter every 12 months under typical residential use to maintain chlorine removal and protect downstream RO membranes

Reliable Construction

Aries FilterWorks (AF-20-4010-BB) 20" x 4.5" Big Blue Mixed Bed Deionization (DI) Water Filter Cartridge - High-Purity Resin for TDS & Ionic Contaminant Removal - Semiconductor Grade, Made in USA Calcite1468 Not compatible with earlier 750Aries FilterWorks AF 20 4010 BB 20" x 4. 5" Big Blue Mixed Bed DI Cartridge Semiconductor grade deionization resin for ultra pure water in whole house, industrial, and laboratory filtration systems Mixed Bed Ion Exchange Made in USA ResinTech Resins 14 18 Mcm The AF 20 4010 BB combines cation and anion exchange resins in a 20" x 4. 5" double open end cartridge to remove total dissolved solids, minerals, salts, and ionic contaminants from water.