
Hydronix - CB - 20" x 4.5" Coconut Carbon Block Filter
CB-20" x 4.5" Coconut Carbon Block Filter
High-purity coconut shell carbon block engineered for superior chlorine reduction and exceptional dirt-holding capacity in whole house, well, and commercial filtration systems
The Hydronix CB Series carbon block delivers professional-grade filtration performance at a practical cost. Available in 1, 5, and 10 micron ratings, these 20" x 4.5" filters use high-purity coconut shell activated carbon to provide reliable chlorine taste and odor reduction while maintaining excellent flow rates and extended service life across residential, commercial, and industrial applications.
Why Choose Hydronix CB Carbon Blocks
Coconut Shell Carbon
Premium coconut shell activated carbon provides superior adsorption capacity and consistent performance compared to coal-based alternatives
Multiple Micron Options
Available in 1, 5, and 10 micron ratings to match your specific filtration requirements and system design
Reduced Carbon Fines
Advanced manufacturing process minimizes carbon fines that can cause downstream issues in RO membranes and equipment
High Dirt Capacity
Dense carbon block structure captures particulate matter while maintaining flow, extending service intervals and reducing maintenance
Versatile Application
Engineered for whole house, well water, commercial, food service, and industrial filtration systems
GAC/PAC Replacement
Superior alternative to granular or powder activated carbon filters where high chlorine reduction is critical
System Compatibility
The Hydronix CB series 20" x 4.5" carbon block filters fit standard big blue housings and are ideal replacements for whole house filtration systems, well water treatment, reverse osmosis pre-filtration, point-of-use applications, commercial equipment, and food service installations. Compatible with any system designed for 20-inch cartridges with 4.5-inch outer diameter. Suitable for residential drinking water, commercial ice machines, beverage equipment, pre-RO sediment and chlorine removal, and industrial process water applications.
Hydronix carbon block filters are manufactured to strict quality standards and trusted by water treatment professionals across residential, commercial, and industrial applications.
CB-20" x 4.5" Coconut Carbon Block Filter
High-purity coconut shell carbon block engineered for superior chlorine reduction and exceptional dirt-holding capacity in whole house, well, and commercial filtration systems
The Hydronix CB Series carbon block delivers professional-grade filtration performance at a practical cost. Available in 1, 5, and 10 micron ratings, these 20" x 4.5" filters use high-purity coconut shell activated carbon to provide reliable chlorine taste and odor reduction while maintaining excellent flow rates and extended service life across residential, commercial, and industrial applications.
Why Choose Hydronix CB Carbon Blocks
Coconut Shell Carbon
Premium coconut shell activated carbon provides superior adsorption capacity and consistent performance compared to coal-based alternatives
Multiple Micron Options
Available in 1, 5, and 10 micron ratings to match your specific filtration requirements and system design
Reduced Carbon Fines
Advanced manufacturing process minimizes carbon fines that can cause downstream issues in RO membranes and equipment
High Dirt Capacity
Dense carbon block structure captures particulate matter while maintaining flow, extending service intervals and reducing maintenance
Versatile Application
Engineered for whole house, well water, commercial, food service, and industrial filtration systems
GAC/PAC Replacement
Superior alternative to granular or powder activated carbon filters where high chlorine reduction is critical
System Compatibility
The Hydronix CB series 20" x 4.5" carbon block filters fit standard big blue housings and are ideal replacements for whole house filtration systems, well water treatment, reverse osmosis pre-filtration, point-of-use applications, commercial equipment, and food service installations. Compatible with any system designed for 20-inch cartridges with 4.5-inch outer diameter. Suitable for residential drinking water, commercial ice machines, beverage equipment, pre-RO sediment and chlorine removal, and industrial process water applications.
Hydronix carbon block filters are manufactured to strict quality standards and trusted by water treatment professionals across residential, commercial, and industrial applications.
Original: $47.99
-65%$47.99
$16.80Description
CB-20" x 4.5" Coconut Carbon Block Filter
High-purity coconut shell carbon block engineered for superior chlorine reduction and exceptional dirt-holding capacity in whole house, well, and commercial filtration systems
The Hydronix CB Series carbon block delivers professional-grade filtration performance at a practical cost. Available in 1, 5, and 10 micron ratings, these 20" x 4.5" filters use high-purity coconut shell activated carbon to provide reliable chlorine taste and odor reduction while maintaining excellent flow rates and extended service life across residential, commercial, and industrial applications.
Why Choose Hydronix CB Carbon Blocks
Coconut Shell Carbon
Premium coconut shell activated carbon provides superior adsorption capacity and consistent performance compared to coal-based alternatives
Multiple Micron Options
Available in 1, 5, and 10 micron ratings to match your specific filtration requirements and system design
Reduced Carbon Fines
Advanced manufacturing process minimizes carbon fines that can cause downstream issues in RO membranes and equipment
High Dirt Capacity
Dense carbon block structure captures particulate matter while maintaining flow, extending service intervals and reducing maintenance
Versatile Application
Engineered for whole house, well water, commercial, food service, and industrial filtration systems
GAC/PAC Replacement
Superior alternative to granular or powder activated carbon filters where high chlorine reduction is critical
System Compatibility
The Hydronix CB series 20" x 4.5" carbon block filters fit standard big blue housings and are ideal replacements for whole house filtration systems, well water treatment, reverse osmosis pre-filtration, point-of-use applications, commercial equipment, and food service installations. Compatible with any system designed for 20-inch cartridges with 4.5-inch outer diameter. Suitable for residential drinking water, commercial ice machines, beverage equipment, pre-RO sediment and chlorine removal, and industrial process water applications.
Hydronix carbon block filters are manufactured to strict quality standards and trusted by water treatment professionals across residential, commercial, and industrial applications.



















