Hydronix 20" BIG BLUE Carbon Block Filter - 10 micron, 4-Pack
(case of 4 Filters)

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In Stock
Price: $126.20
($31.55 ea)
case of 4 Filters
Suggested: $159.99

Hydronix 20" BIG BLUE Carbon Block Filter - 10 micron

Hydronix NSF CB Series Carbon Block Cartridges are manufactured with high purity Coconut Shell activated carbon. Available in a wide range of lengths, diameters, and micron ratings our blocks provide an exceptional cost-to-performance value. With high chlorine reduction, great dirt-holding capacity, and greatly reduced carbon fines, you will soon make the CB series your carbon block of choice.

Hydronix NSF CB Series Carbon Block Cartridges are ideal for point-of-use (POU) and Reverse Osmosis applications. These cartridges can be used in a wide range of applications such as residential, food service, commercial, and industrial. The CB Series carbon blocks are great for displacing traditional GAC (Granular Activated Carbon) and PAC (Powdered Activated Carbon) filters in application where high chlorine reduction is needed.


  • Reduce taste/odor/chlorine and certain VOC's from drinking water
  • Great chlorine removal capacity competitive with the finest carbon blocks
  • Tested and Certified by NSF International to ANSI/NSF Standard 42 for material requirements only.
  • Fit most housings that accept standard 4-1/2" X 20" filters

Materials of Construction:

Carbon - Coconut Shell
End Caps - Polypropelene
Inner Wrap - Polypropelene
Netting - Polypropelene
Gaskets - Neoprene
Temp Rating - 40°F TO 180°F