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
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
Technical Details
| Dimensions | 20" x 4.5" |
| Media | Mixed Bed Ion Exchange Resins (ResinTech) |
| Micron Rating | 25 micron |
| Flow Rate | 0.5–2 GPM recommended |
| Service Life | 1,000–5,000 gallons (varies by TDS) |
| Temperature | 40–100°F |
| Pressure | 0–100 PSI |
| End Cap Type | Double Open End (DOE) |
| Resistivity | Up to 14–18 MΩ·cm |
| Manufacturer | Aries FilterWorks (ResinTech division) |
Housing and Application Fit
The AF-20-4010-BB fits all standard 20" Full Flow (Big Blue) housings with 4.5" diameters, including models from Pentek, GE, Culligan, and other brands. Best used as a final polishing stage after reverse osmosis or softened water to achieve ultra-low TDS for aquariums, laboratory reagent prep, pharmaceutical rinsing, semiconductor fabrication, and medical-grade water systems. Monitor output TDS or resistivity and replace when breakthrough occurs or annually.
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
Technical Details
| Dimensions | 20" x 4.5" |
| Media | Mixed Bed Ion Exchange Resins (ResinTech) |
| Micron Rating | 25 micron |
| Flow Rate | 0.5–2 GPM recommended |
| Service Life | 1,000–5,000 gallons (varies by TDS) |
| Temperature | 40–100°F |
| Pressure | 0–100 PSI |
| End Cap Type | Double Open End (DOE) |
| Resistivity | Up to 14–18 MΩ·cm |
| Manufacturer | Aries FilterWorks (ResinTech division) |
Housing and Application Fit
The AF-20-4010-BB fits all standard 20" Full Flow (Big Blue) housings with 4.5" diameters, including models from Pentek, GE, Culligan, and other brands. Best used as a final polishing stage after reverse osmosis or softened water to achieve ultra-low TDS for aquariums, laboratory reagent prep, pharmaceutical rinsing, semiconductor fabrication, and medical-grade water systems. Monitor output TDS or resistivity and replace when breakthrough occurs or annually.
Original: $223.60
-65%$223.60
$78.26Description
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
Technical Details
| Dimensions | 20" x 4.5" |
| Media | Mixed Bed Ion Exchange Resins (ResinTech) |
| Micron Rating | 25 micron |
| Flow Rate | 0.5–2 GPM recommended |
| Service Life | 1,000–5,000 gallons (varies by TDS) |
| Temperature | 40–100°F |
| Pressure | 0–100 PSI |
| End Cap Type | Double Open End (DOE) |
| Resistivity | Up to 14–18 MΩ·cm |
| Manufacturer | Aries FilterWorks (ResinTech division) |
Housing and Application Fit
The AF-20-4010-BB fits all standard 20" Full Flow (Big Blue) housings with 4.5" diameters, including models from Pentek, GE, Culligan, and other brands. Best used as a final polishing stage after reverse osmosis or softened water to achieve ultra-low TDS for aquariums, laboratory reagent prep, pharmaceutical rinsing, semiconductor fabrication, and medical-grade water systems. Monitor output TDS or resistivity and replace when breakthrough occurs or annually.
