Aries (AF-20-4223-BB) 20"x4.5" Big Blue High Capacity Mixed Bed DI Filter 24V This lets you pre-plumb unions

This lets you pre-plumb unions or valves at the correct height and spacing

as the 4-inch diameter and bayonet connection require purpose-built ELF filter heads

For best performance in microbiological applications

Omnipure Q5520 Technical Details

Aries (AF-20-4223-BB) 20"x4.5" Big Blue High Capacity Mixed Bed DI Filter 24V This lets you pre-plumb unionsAries FilterWorks AF 20 4223 BB 20"x4. 5" Big Blue High Capacity Mixed Bed DI Filter Twin bed deionization cartridge engineered for moderate ionic removal without the corrosive nature of full mixed bed systems, using premium ResinTech cation and anion resins in a layered configuration Strong Acid Cation Weak Base Anion 20" x 4. 5" ResinTech Resins WHY IT WORKS Layered resin design for targeted ion removal High Capacity Formula Strong acid cation (SAC)