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 Filters for 10 inch Big Blue Housings and other corrosive solutions into

and other corrosive solutions into residential and light commercial water systems

but the 442 Natural Water Standard remains the default choice for any application involving natural or treated water sources rather than pure or ultrapure water systems

Brass Fittings

Filmtec RO Membrane

Compatible with standard Myron L conductivity sensors and optional multi-sensor/multi-range accessories for installations requiring flexible input configurations

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 Filters for 10 inch Big Blue Housings and other corrosive solutions intoAries 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.