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Hydronix CB-25-1005 Replacement Carbon Water Filter 10-inch x 2.5-inch (5 Micron)

Price $26.99 List Price Price $38.99 Save 30%
Availability: In Stock
Choose a quantity
  • 1Filter$26.99 
  • 3Filters Price $25.39 each
  • 6Filters Price $24.29 each
Save $15.00 with a Tier1 Brand
Comparable Filter
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Save $15.00 with a Tier1 Brand
Comparable Filter
View Filter Value Comparison
The Hydronix CB-25-1005 CB Series Carbon Block provides exceptional cost-to-performance value. This filter has high chlorine reduction capacity and great dirt-holding capacity. The Hydronix CB Series CB-25-1005 Carbon Block is ideal for point-of-use (POU) and Reverse Osmosis applications. The filter can be used in a wide range of applications such as residential, food service, commercial and industrial. The CB-25-1005 is great for replacing traditional GAC (Granular Activated Carbon) and PAC (Powdered Activated Carbon) filters, especially in applications where high chlorine reduction is needed. The chlorine removal capacity of this filter is competitive with the finest carbon blocks. This CB-25-1005 filter is Tested and Certified by NSF International to ANSI/NSF Standard 42 for material requirements only. This filter reduces sediment, certain VOCs (volatile organic compound), chlorine taste and odor from drinking water.
Package Qty1
Used In BrandsHydronix, KX Matrikx, Liquatec, Omnipure, Pentek, Watts
Manufacturer's IdCB-25-1005
Advertised Size (in)10 x 2-1/2
Actual Size (in)9 7/8 inches (length) x 2 3/4 inches (outside diameter)
Actual Size (cm)25.08 x 6.985
Outside Diameter (inches)2.75
MediaCoconut Shell Activated Carbon
Primary Filter MediaActivated Carbon Block
Materials of ConstructionEnd Caps: Polypropylene, Gaskets: Neoprene, Outer Wrap: Polypropylene, Netting: Polypropylene
Filter Life (gallons)6,000
Filter Life (liters)22,712.46
Filter Life (months)6 months
Micron Rating (Nominal)5
Maximum Operating Pressure (psi)250
Operating Temperature (°F)40 - 180
Operating Temperature (°C)4.4 - 82.2
Flow Rate (gpm)1
Flow Rate (lpm)3.785
Country of ManufactureThailand
Additional InformationCollapse Pressure: 200 PSID, Maximum Differential Pressure: 100 PSID, Chlorine Capacity: 6,000

Reduced Contaminants

The HYDRONIX-CB-25-1005 reduces the following contaminants:

  • Chlorine Taste & Odor 99.00%
  • VOCs

The HYDRONIX-CB-25-1005 is comparable with the following part numbers


User Guide


  1. After installation, flush the cartridge by running water through the system
  2. Dump the first 2-3 gallons of water before using the water for drinking or cooking purposes
  3. Do not use the filter with water that is microbiologically unsafe or of unknown quality without adequate disinfection before or after the system