Aries (AF-20-4223-BB) 20"x4.5" Big Blue High Capacity Mixed Bed DI Filter
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
Layered resin design for targeted ion removal
High Capacity Formula
Strong acid cation (SAC) and weak base anion (WBA) resins provide greater capacity by ignoring carbon dioxide and silica ions, extending service life in whole-house applications
Non-Corrosive Output
Layered twin bed configuration delivers moderate ionic removal without the aggressive corrosion risks associated with full mixed bed DI cartridges, protecting copper and aluminum plumbing
ResinTech Premium Resins
Uses ResinTech brand ion exchange resins manufactured to strict specifications, ensuring consistent water quality and predictable performance across the cartridge lifespan
Big Blue Format
20 inch x 4.5 inch Big Blue cartridge fits standard high-capacity housings, providing substantial resin volume for residential and light commercial whole-house TDS reduction
Fits standard 20" Big Blue housings
The Aries AF-20-4223-BB cartridge is designed for 20 inch x 4.5 inch Big Blue filter housings with threaded caps or tie-rod configurations. Compatible with most whole-house filtration systems requiring deionization or TDS reduction stages. Verify housing interior dimensions accommodate 4.5" outer diameter cartridges before ordering.
Replacement schedule
Typical Service Life
Replace cartridge when effluent TDS begins to rise or water quality degrades. Actual lifespan depends on influent TDS levels and daily water consumption
Performance Tracking
Use a handheld TDS meter to track inlet and outlet conductivity. Replace cartridge when removal efficiency drops below acceptable levels for your application
Single-Use Design
This cartridge cannot be regenerated or recharged. Once resin capacity is exhausted, the entire cartridge must be replaced with a new Aries AF-20-4223-BB unit
Aries Quality Control
Manufactured under strict QC protocols with batch testing to ensure resin layer consistency and performance standards
Whole-House TDS Reduction
High capacity design suited for point-of-entry applications where moderate deionization is required across the entire home
Easy Installation
Drop-in replacement for standard 20x4.5 Big Blue cartridges with no special tools or modifications required
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
Layered resin design for targeted ion removal
High Capacity Formula
Strong acid cation (SAC) and weak base anion (WBA) resins provide greater capacity by ignoring carbon dioxide and silica ions, extending service life in whole-house applications
Non-Corrosive Output
Layered twin bed configuration delivers moderate ionic removal without the aggressive corrosion risks associated with full mixed bed DI cartridges, protecting copper and aluminum plumbing
ResinTech Premium Resins
Uses ResinTech brand ion exchange resins manufactured to strict specifications, ensuring consistent water quality and predictable performance across the cartridge lifespan
Big Blue Format
20 inch x 4.5 inch Big Blue cartridge fits standard high-capacity housings, providing substantial resin volume for residential and light commercial whole-house TDS reduction
Fits standard 20" Big Blue housings
The Aries AF-20-4223-BB cartridge is designed for 20 inch x 4.5 inch Big Blue filter housings with threaded caps or tie-rod configurations. Compatible with most whole-house filtration systems requiring deionization or TDS reduction stages. Verify housing interior dimensions accommodate 4.5" outer diameter cartridges before ordering.
Replacement schedule
Typical Service Life
Replace cartridge when effluent TDS begins to rise or water quality degrades. Actual lifespan depends on influent TDS levels and daily water consumption
Performance Tracking
Use a handheld TDS meter to track inlet and outlet conductivity. Replace cartridge when removal efficiency drops below acceptable levels for your application
Single-Use Design
This cartridge cannot be regenerated or recharged. Once resin capacity is exhausted, the entire cartridge must be replaced with a new Aries AF-20-4223-BB unit
Aries Quality Control
Manufactured under strict QC protocols with batch testing to ensure resin layer consistency and performance standards
Whole-House TDS Reduction
High capacity design suited for point-of-entry applications where moderate deionization is required across the entire home
Easy Installation
Drop-in replacement for standard 20x4.5 Big Blue cartridges with no special tools or modifications required
Original: $158.86
-65%$158.86
$55.60Description
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
Layered resin design for targeted ion removal
High Capacity Formula
Strong acid cation (SAC) and weak base anion (WBA) resins provide greater capacity by ignoring carbon dioxide and silica ions, extending service life in whole-house applications
Non-Corrosive Output
Layered twin bed configuration delivers moderate ionic removal without the aggressive corrosion risks associated with full mixed bed DI cartridges, protecting copper and aluminum plumbing
ResinTech Premium Resins
Uses ResinTech brand ion exchange resins manufactured to strict specifications, ensuring consistent water quality and predictable performance across the cartridge lifespan
Big Blue Format
20 inch x 4.5 inch Big Blue cartridge fits standard high-capacity housings, providing substantial resin volume for residential and light commercial whole-house TDS reduction
Fits standard 20" Big Blue housings
The Aries AF-20-4223-BB cartridge is designed for 20 inch x 4.5 inch Big Blue filter housings with threaded caps or tie-rod configurations. Compatible with most whole-house filtration systems requiring deionization or TDS reduction stages. Verify housing interior dimensions accommodate 4.5" outer diameter cartridges before ordering.
Replacement schedule
Typical Service Life
Replace cartridge when effluent TDS begins to rise or water quality degrades. Actual lifespan depends on influent TDS levels and daily water consumption
Performance Tracking
Use a handheld TDS meter to track inlet and outlet conductivity. Replace cartridge when removal efficiency drops below acceptable levels for your application
Single-Use Design
This cartridge cannot be regenerated or recharged. Once resin capacity is exhausted, the entire cartridge must be replaced with a new Aries AF-20-4223-BB unit
Aries Quality Control
Manufactured under strict QC protocols with batch testing to ensure resin layer consistency and performance standards
Whole-House TDS Reduction
High capacity design suited for point-of-entry applications where moderate deionization is required across the entire home
Easy Installation
Drop-in replacement for standard 20x4.5 Big Blue cartridges with no special tools or modifications required
