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AQUAREX™ 20” Carbon Block Filter Kit 5 Micron

(581)
$237.00 $308.00
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AquaBlue™ 20” Carbon Block Filter Replacement – 5 Micron
The AquaBlue™ 20” Carbon Block Filter Replacement (5 Micron) is engineered for superior chlorine, taste, and odor reduction while capturing fine sediment down to 5 microns. Its high-density carbon block design ensures maximum contact time for effective contaminant removal, delivering fresher, cleaner, and better-tasting water throughout your home. Perfect as a replacement in whole-house and commercial systems, this filter protects plumbing, fixtures, and appliances while enhancing every drop of water for drinking, cooking, and bathing. With AquaBlue™ performance, you get peace of mind knowing your water is safe, pure, and consistently refreshing.
Perfect for Homes With: Well Water, City Water
Household Size: N/A
Number of Bathrooms: N/A

Water Problems Solved:

  • Reduces chlorine taste and odor
  • Improves drinking and cooking water flavor
  • Filters fine sediment and particulates
  • Reduces chemical-related odors
  • Protects downstream treatment equipment

Engineered to Reduce:

Chlorine (Cl₂) Disinfection By-products (DBPs) Trihalomethanes (THMs) Total Trihalomethanes (TTHM) Haloacetic Acids (HAAs / HAA5) Taste Odor-Free Water Volatile Organic Compounds (VOCs) Organic Matter Organic Micro-pollutants Pesticides & Herbicides Detergents & Surfactants Phenols Polyaromatic Hydrocarbons (PAHs) Solvents Tannins MTBE (Methyl Tertiary-Butyl Ether) Benzene (C₆H₆) Chlorinated Hydrocarbons

Partial Reductions:

Chloramine (NH₂Cl) Chloramines (NHCl₂) Nitrogen Trichloride (NCl₃) Sediment and Particles Suspended solids Dirt Silt Turbidity Bacteria Cysts Protozoa

Certifications:

  • NSF/ANSI Standard 42

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Description

The Quiet Erosion of Carbon Capacity

Carbon block filtration operates beneath the surface of everyday water use. Chlorine removal is often treated as a simple task, but sustained adsorption requires media density, structural integrity, and correct micron rating. When carbon capacity declines, breakthrough occurs quietly. Taste returns. Odor reappears. Fixtures begin accumulating residue. These are not sudden failures. They are gradual erosions of treatment performance that affect every tap, appliance, and fixture relying on filtered water.

The AQUAREX™ 20" Carbon Block Replacement (5 Micron) is built from compressed coconut shell carbon, engineered to maintain consistent chlorine reduction while mechanically trapping fine sediment down to 5 microns. Unlike granular activated carbon, which allows channeling and uneven flow, carbon block media forces complete contact across the entire filter matrix. This prevents early saturation of localized zones and extends the working capacity of the media throughout its service life. The result is predictable performance rather than variable effectiveness.

Manufactured in the United States to meet NSF structural standards, this replacement component integrates directly into whole house water filtration systems using standard 20" housings. For homes managing both chlorine and hardness concerns, coordinating carbon block replacement with proper softening creates balanced treatment that protects each system from interference. Carbon fouling from mineral buildup is prevented, and softening media operates without chemical taste issues downstream.

How This Component Supports System-Level Performance

The AQUAREX™ Carbon Block functions as a refining stage within point-of-entry treatment. Its dual-action design addresses both chemical and particulate contaminants. Chlorine, volatile organic compounds, and disinfection byproducts are adsorbed through surface chemistry, while suspended particles are mechanically trapped within the compressed structure. This simultaneous reduction prevents taste breakthrough while maintaining clarity across varying household flow rates.

The 5-micron rating ensures that fine sediment, rust particles, and organic debris are captured before reaching sensitive fixtures and appliances. This level of filtration protects downstream equipment without restricting flow under normal residential demand. For households drawing from municipal supplies with persistent chlorine taste or those addressing sediment after softening stages, carbon block replacement provides the final barrier before distribution.

For homeowners managing private well supplies where biological safety remains a concern, pairing carbon filtration with ultraviolet disinfection ensures comprehensive protection. Carbon removes organic matter that can shield microorganisms from UV exposure, while UV inactivates bacteria and protozoa that carbon cannot capture. This layered approach addresses both chemical and microbial risks within a single treatment strategy. To better understand how UV systems integrate with filtration, explore proven ultraviolet disinfection systems designed to work downstream from carbon media.

Cleaner Water Without Compromise

Installing a fresh carbon block restores drinking water confidence, improves cooking outcomes, and eliminates residual taste from chlorinated municipal supplies. Showers feel fresher without chemical vapors filling the bathroom. Ice cubes no longer impart off-flavors to beverages. Coffee and tea regain their intended aroma and complexity. These are the quiet improvements that accumulate when water passes through properly maintained treatment stages.

The result is not perfection. It is consistency. Water that delivers the same quality today as it did six months ago. Water that does not require constant adjustment or experimentation. Water that simply works. Pure Water. Pure Trust.

Completing Your Water Strategy

The AQUAREX™ Carbon Block handles chlorine and taste at the molecular level, but complete water confidence often requires addressing hardness at the source as well. For households experiencing scale buildup, dry skin, or soap performance issues alongside chlorine taste, whole-house softening provides the complementary treatment needed to protect plumbing, appliances, and daily comfort. Explore engineered water softener systems designed to work upstream from carbon filtration for comprehensive point-of-entry protection.

Specifications

    Performance

  • Ideal For: N/A
  • Media Type: Coconut shell carbon block
  • Technical Specifications

  • Micron Rating: 5 Micron
  • Product Weight: 38 lb
  • Material: N/A
  • Installation Time & Requirements

  • Estimated Installation Time: ### Installation Time **AQUAREX™ 20” Whole House Sediment Filter Kit (50 Micron)** Typical installation time is **45 to 90 minutes** under standard residential conditions. This assumes: - Existing accessible main line - No major replumbing required - Standard 3/4” to 1” connections - Installer has basic tools and shutoff access More complex installs (tight spaces, copper sweating, adding a bypass loop) can extend time to **1.5 to 2.5 hours**. ### Filter Replacement Time Replacing the sediment filter cartridge typically takes **10 to 20 minutes**. This includes: - Shutting off water and relieving pressure - Opening the housing - Swapping the cartridge - Reinstalling and checking for leaks

System Design Notice

Engineering Notice

System Design Notice

AQUALIVIA systems are engineered using the water analysis provided by the customer. Accurate water testing is essential for proper system sizing and performance.

Water requiring manual engineering review

  • Hydrogen Sulfide (H₂S) Greater than 5 ppm
  • Iron (Fe) Greater than 10 ppm
  • Manganese (Mn) Greater than 5 ppm
Water quality may change over time, and contaminants not included in the submitted analysis are not considered during system design.

Customer Reviews

Customer Reviews

Based on 581 reviews
88%
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9%
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(15)
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T
Tyler Benson
water quality so much better

ok so i was pretty skeptical when my wife suggested this but she was right the water actually tastes completely different now. no more weird aftertaste after drinking a glass. gonna keep buying these

G
Gregory Tucker
A must have for well water homes

I have been replacing the filters in my whole house system for a few years and aqualivia carbon block filters have been the most consistent ones I have tried. This 5 micron version handles chlorine and taste really well. My water no longer smells like a pool.

H
Hunter Boyd
Best filter I have used

i bought this for my house in Bozeman, MT and honestly did not expect much but the water really does taste better. no more buying water bottles every week. maybe saving $30 a month easy. does what it says

C
Christine Cunningham
Nice tight fit, no leaks

This is my third consecutive order of this same filter. I keep buying it because it consistently performs and I have no reason to switch. We live in an older neighborhood in Chandler, AZ where the pipes are not exactly new and the city water comes through with more sediment and chlorine taste than I would like. This filter handles both. The 5 micron carbon block traps the particulates and the carbon takes care of the chemical taste. I run about 60 gallons a day through my system and get roughly 9 months out of each filter before I see any flow slowdown. That is solid performance. Packaging is always good, shipping is fast, and the product itself has never let me down. What more can you ask for.

A
Amanda Fowler
Works exactly as described

been using aqualivia products for a while now and they never disappoint. this carbon filter is solid. no funny tastes no more and the water pressure is still good after a couple weeks. solid solid solid

Shipping

Most AQUALIVIA™ systems are built or assembled to order at our Florida facility. Handling time is separate from carrier transit time.

Handling (before it ships)

  • Standard orders: 3 to 7 business days
  • Custom or special systems: 7 to 15 business days
  • Orders placed after 12:00 PM ET start processing the next business day

Transit (after it ships)

  • Ground: 4 to 7 business days
  • Freight, for large palletized systems: 5 to 10 business days

Shipping cost

  • Free standard shipping on U.S. orders over $100, within the 48 contiguous states
  • Alaska, Hawaii, and Puerto Rico: rates calculated at checkout

Large and freight items

Large systems ship on a pallet by freight. The carrier will schedule a delivery appointment, someone 18 or older must be present to sign, and your address must be reachable by a freight truck. Please clear space in advance.

We stay in touch from the moment you order until your system arrives, and we let you know when it is out for delivery.

Full Shipping Policy

Returns

Returns are covered in our Return Policy.

Warranty

AQUALIVIA Warranty
At AQUALIVIA, we stand behind the quality of our water treatment systems. Every product is built to last, and we are proud to offer strong warranty coverage for peace of mind. You deal with one company: us. AQUALIVIA is your warrantor, so there is no manufacturer to chase and no one else to negotiate with. One claim, one contact.
What's covered
Coverage is parts-only, for the original purchaser, and runs from the delivery date.
Tanks and core components:

  • Mineral tanks: 10 years (up to 13" x 54"), 5 years for larger tanks
  • Control valves: 5 years
  • Brine tanks: 5 years
  • Accessories and components: 1 year

By product:

  • AQUAREX Whole House Filter: 5 years
  • OZONEX Ozone Systems: 1 year
  • AquaVRay UV Systems: 1 year
  • HydroClear: 1 year (system only)
  • AquaRevive Holding Tank: 3 years
  • AquaRevive Reverse Osmosis: 1 year (system only)

Every system: 30-day defect-on-arrival guarantee
"System only" means the unit is covered, but the filters, membranes, cartridges, and lamps inside it are consumables.
What's not covered

  • Consumables and wear items: filters, resins, membranes, UV lamps, cartridges, and salt (except a defect on arrival)
  • Damage caused by misuse, freezing, flooding, storms, power surges, or improper installation
  • Damage caused by a non-AQUALIVIA part, or by operating the system outside normal water conditions or its rated specification
  • Installation, labor, plumbing, and property costs

Using a non-AQUALIVIA replacement filter or part does not by itself void your warranty. What is not covered is damage that such a part actually causes.
Reverse osmosis, please note
Under-sink RO systems require professional installation, and we strongly recommend a leak sensor with automatic shutoff in the cabinet. Please read the RO Installation Requirements before installing.
Our promise
If your system has a covered defect, we will repair it, replace it, or provide a comparable solution. Our goal is simple: to make sure your AQUALIVIA system works the way it should, so you can enjoy clean, pure water with confidence. This repair or replacement is your exclusive remedy under the warranty.
For warranty support, contact [Info@AquaLivia.com](mailto:Info@AquaLivia.com).
Read the full warranty: Warranty Policy
This is a summary. The full AQUALIVIA Limited Warranty sets out all terms, conditions, and exclusions and controls in the event of any difference.

For warranty support, contact info@aqualivia.com. Read the full Warranty.

Multi-column

  • Made in the USA

    Every AQUALIVIA system is proudly designed, assembled, and tested in the USA to ensure premium quality and reliability.

  • Certified Purity

    NSF and WQA certified components backed by 20+ years of water-treatment expertise.

  • Advanced Filtration

    Our multi-stage filtration delivers ultra-pure water for every home and business.

Testimonials

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Frequently Asked Questions

Certified Clean Water You Can Trust

AQUALIVIA filtration systems deliver pure, reliable hydration for your family. Each unit is tested and certified to meet strict standards for contaminant reduction and long-term performance.
*Products may vary. Some items excluded

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