Aries BB Ultra High Purity-Low TOC Mixed Bed DI Cartridge AF-20-4011-BB 4.5″x20″
Aries AF-20-4011-BB – Ultra High Purity Mixed Bed DI Filter. Manufactured By :Aries FilterWorks, a division of ResinTech®. Materials of Construction Compatibility :Fits standard 20" x 4.5" Big Blue filter housings.