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Carbon Block Filters

Clean-tasting water starts with the right cartridge, and Carbon Block Filters are a go-to choice for homes and facilities that want reliable adsorption. Designed to reduce chlorine taste and odor while trapping fine particulates, these filters support better water at the tap, shower, and point of use. Options on this page cover common housings and system types, so matching a replacement is straightforward. Micron ratings range from sub-micron polishing levels up to higher-flow choices for heavier demand. Choose based on flow goals, housing size, and contaminants.

About Carbon Block Filters

Carbon block cartridges are formed from compressed activated carbon, which creates a dense media bed with consistent flow paths. Many selections use NSF-certified materials, which helps buyers choose with more confidence for everyday use. Sizing varies from slim 2.5-inch cartridges to big blue 4.5-inch formats, including popular 10-inch and 20-inch lengths. Micron choices can span about 0.5 to 100, supporting everything from taste improvement to sediment support in multi-stage setups. Whole house, commercial, and industrial applications can be covered by choosing the right diameter, length, and rating for your system and water conditions.

Why Choose iFilters for Carbon Block Filters?

iFilters makes shopping simple with clear product names, compatible sizes, and in-stock visibility, so you spend less time guessing and more time maintaining water quality. Auto Ship helps keep replacements on schedule, which can protect flow rate and filtration performance over time. Range matters too, since the catalog includes carbon block sets, single cartridges, and multi-pack options for higher-usage locations. Customer reviews on many listings add real-world context about fit, performance, and value. Fast shipping and helpful support round out a purchase experience built for both first-time buyers and pros.

Shop carbon block filters online today!

Sale
$59.95 $53.96

Hydronix SMCB-4520 carbon block filters are NSF/ANSI standard 42 certified for Material and structural Safety. SMCB-4520 filters have a particle re...

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Sale
$59.95 $53.96
Sale
$18.51 $16.66

Hydronix CB-25-2005 carbon block filters are NSF/ANSI standard 42 certified for Material and structural Safety. CB-25-2005 filters have a particle ...

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Sale
$18.51 $16.66
Sale
$66.99 $60.30

Hydronix CB-45-2010 carbon block filters are NSF/ANSI standard 42 certified for Material and structural Safety. CB-45-2010 filters have a particle ...

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Sale
$66.99 $60.30
Sale
$23.74 $21.37

Hydronix SMCB-2520 carbon block filters are NSF/ANSI standard 42 certified for Material and structural Safety. SMCB-2520 filters have a particle re...

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Sale
$23.74 $21.37
Sale
$55.00 $49.50

Hydronix CB-45-2001 Carbon Block filters are NSF/ANSI Standard 42 certified for material and structural safety. CB-45-2001 filters have a particle ...

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Sale
$55.00 $49.50
Sale
$19.50 $17.55

Hydronix CB-25-2010 carbon block filters are NSF/ANSI standard 42 certified for Material and structural Safety. CB-25-2010 filters have a particle ...

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Sale
$19.50 $17.55
Sale
$23.00 $20.70

Hydronix CB-25-2001 carbon block filters are NSF/ANSI standard 42 certified for Material and structural Safety. CB-25-2001 filters have a particle ...

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Sale
$23.00 $20.70
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