Aries (AF-20-4011-BB) 20"x4.5" Big Blue Ultra High Purity-Low TOC Mixed Bed DI Filter Phosphate1337 pair with a sediment pre-filter

pair with a sediment pre-filter to remove particulate iron before the Poly Guard® stage

5 GPM Max Pressure 125 PSI Max Temperature 100°F Media Type Carbon Block Certification NSF 42

This component is a direct factory replacement for worn or damaged drain line flow controls on residential and light commercial water softener installations

Replace sooner if you notice pressure drop

Aries (AF-20-4011-BB) 20"x4.5" Big Blue Ultra High Purity-Low TOC Mixed Bed DI Filter Phosphate1337 pair with a sediment pre-filterThe Aries AF 20 4011 BB delivers ultra high purity water with exceptionally low total organic carbon (TOC) through pharmaceutical grade mixed bed deionization technology. Designed for 20"x4. 5" Big Blue housings, this filter combines nuclear grade anion and cation resins to achieve resistivity levels exceeding 18 megohm cm for laboratory, medical, and precision manufacturing applications. SPECIFICATIONS Aries AF 20 4011 BB Technical Details