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Not all water systems are created equal!


NSF42  ISO Cert  NSF61

View ISO Certification

View NSF 42 (Redox) Certification

Multi-Stage Redox Filter

6 Stages featuring Redox and GAC, 1 micron wraps

2 7/8" x 9 3/4" for Countertop or UnderSink

4 5/8" x 10" or 4 5/8" x 20" for Whole House System

multi stage

Stage 1, water flows through pre and post one - micron filter pads (1 micron equals 1/25,000th of an inch), which removes suspended particles such as silt, sediment, cyst (Giardia, Cryptosporidium), sand, rust, dirt, and other un-dissolved matter.

Stages 2 and 3, water flows through a bed of media made of a special high-purity alloy blend of two dissimilar metals - copper and zinc (Eagle Redox Alloy® 6500, and Eagle Redox Alloy® 9500.) KDF/ *Eagle Redox Alloy® is a major advancement in water treatment technology that works on the electro-chemical and spontaneous-oxidation-reduction (REDOX) principles. Chlorine is instantaneously and almost inexhaustibly oxidized. Tests on Eagle Redox Alloy®/*GAC cartridge have shown 99+% chlorine removal past 20,000 gallons of water.

In comparison, carbon cartridges of comparable volumes drop below 90% effectiveness after only 4,000 gallons. Iron and hydrogen sulfide are oxidized into insoluble matter and attach to the surface of the media. Heavy metals such as lead, mercury, copper, nickel, chromium, cadmium, aluminum, and other dissolved metals are removed from the water by the electrochemical process. They are attracted to the surface of the media, much like a magnet. The media inhibits bacterial growth throughout the entire unit. In fact, it has been shown to be reduced up to 90%, eliminating the need for silver, which is commonly used in carbon-only filters (silver is considered a pesticide by the EPA and, as such, must be registered with them). Is copper or zinc added to the water in any significant amount? On 2.3 ppm chlorinated water, <0.05 mg/l copper and only 0.46 mg/l zinc were measured. The EPA aesthetic levels are 1.0 mg/l for copper and 5.0 mg/l for zinc. Both zinc and copper are essential minerals for good health - the FDA recommends a daily intake of 15 mg of zinc and 2 mg of copper.

Stage 4, water flows through ion exchange resins, reducing heavy metals such as lead, copper, aluminum, and water hardness.  

Stage 5, water flows through granulated activated carbon (GAC). GAC is universally recognized and widely used as an effective adsorbent for a wide variety of organic contaminants, such as chlorine (99.9%), chemicals linked to cancer (THM's, benzene) pesticides, herbicides, insecticides, volatile organic compounds (VOC's),  PCB's, MTBE's and hundreds of other chemical contaminants that may be present in water causing bad taste and odors in your drinking water.   Carbon is extremely porous and provides a large surface area for contaminants to collect. Carbon-only filters must also use their capacity for chlorine removal, resulting in a shortened life. They also may use a bituminous coal carbon, which is good at removing chlorine, but not as effective at removing chemicals. We use a high-grade coconut shell carbon that is most effective at removing chemicals. Coconut shell carbon provides a significantly higher volume of micro-pores than either coal, wood or lignite based carbon. As a result, it is more effective than other carbon types in removing trihalomethanes (THM's) and other chemicals from municipally supplied water. Since our REDOX media removes the chlorine before it reaches the carbon, the carbon capacity is not wasted on chlorine and is free to concentrate more effectively on organic contaminants.

Stage 6, water flows through another one-micron filtration pad for further reduction of undesirable particles. The end result is a great reduction or total elimination of a wide variety of contaminants.

Pre-Filter Option, Washable for high sediment water.

FAQ's KDF/Eagle Redox

FAQ's GAC and Carbon Block


5 micron Carbon Block Filter

featuring the addition of coconut carbon

2 7/8" x 9 3/4" for Countertop or UnderSink

4 5/8" x 10" or 4 5/8" x 20" for Whole House System

carbon block

Technical Details

  • 5 Micron Nominal Filtration
  • FDA listed materials
  • High chlorine reduction
  • Solid block design eliminates channeling, by-pass or release of carbon fines

Product Description

Carbon Block water filter cartridge manufactured with high purity Coconut Shell activated carbon, provides an exceptional cost-to-performance value. With high chlorine reduction, great dirt-holding capacity, and greatly reduces carbon fines, ideal for point-of-use (POU) undercounter water filter systems and Reverse Osmosis applications. These cartridges can be used in a wide range of applications such as residential, food service, commercial, and industrial. 6,000 gal. chlorine taste and odor reduction.

CQ Carbon Block simultaneously removes chlorine, bad taste and odor, and organic chemicals that contribute to taste and odor, while providing the particulate filtration and dirt-holding capacity of an efficient 5µm nominal sediment filter. The extrusion process allows the production of a carbon block with more carbon, but a lower pressure drop.

CQ Carbon Block filters deliver extended life, while removing sediment, chlorine, bad taste and odor, and organic contaminants from water, aqueous solutions or suspensions. Carbon Block is also widely used in filtering organic solvents.

Activated carbon has been known as a miracle filter media by many researchers because of its unique ability to remove offensive tastes, odors, color, chlorine and volatile organic chemicals, pesticides and trihalomethanes (a group of suspected carcinogens). Briefly, activated carbon acts like a sponge, with a large surface area to absorb contaminants in the water. The surface area of one pound of activated carbon is equal to 125 acres. Many scientists believe this is a result of an affinity that these chemicals have for carbon because of Van Der Waal forces. Activated carbon is the preferred treatment and method recommended by the EPA to remove a host of potentially hazardous and possibly carcinogenic chemicals in drinking water. A partial list of chemicals that are reduced or removed by activated carbon are:


The chart shows partial contaminants regulated for public water systems by the Safe Drinking Water Act, and the maximum contaminant levels (MCL), source, health effects and treatment options for each.



Source/Industrial occurrence

Health effect




Used as a solvent for paint and metal manufacturing. Also used in insecticides.

Affects nervous system, kidneys and liver.

Activated carbon

CIS-1,2  Dichloroethylene


Used as an industrial solvent in the manufacturing of dyes, perfumes  and lacquers

Affects liver, and a nervous and circulatory systems. Probable cause of cancer.

Activated carbon



Soil fumigant on soybeans, and cotton. Canceled in 1997.


Activated carbon



Chemical production by-product; impurity in herbicides.

Affects lungs, liver and kidney. Probable cause of cancer.

Activated carbon



Used in epoxy resins and coating, and in flocculants.

Affects nervous system, kidney and liver.

Activated carbon



Used in the manufacture of gasoline, insecticides and  asphalt

Probable cause of cancer

Activated carbon

Ethylene Dibromide


Used as a gasoline additive and soil fumigant.

Affects nervous system, kidneys and liver.

Activated carbon



Used in manufacture of pesticides and as a metal cleaner and industrial solvent.


Activated carbon



Coal tar coating, burnings organic matter, volcanoes, fossil fuels.


Activated carbon

Phthalate (di(2-ethylhexyl))


PVC and other plastics.

Affects skin and liver. Causes nausea. Probable cause of cancer.

Activated carbon

Polychlorinated Biophenyts (PCBs)


Used in electrical transformers.

Affect nervous system, kidneys and liver.

Activated carbon



Used in manufacturing plastic, resins and foams.

Affects nervous system. Probable cause of cancer and anesthesia

Activated carbon



Used in dry cleaning and as a degreasing agent for metals. Also used for manufacturing rubber, waxes, paints and inks.

Affects nervous system, liver and kidneys. Causes narcosis. Irritant to respiratory system.

Activated carbon



Used in gasoline, paint thinners, lacquers and adhesives.


Activated carbon, ozonation


Total Trihalomethanes








Formed when water containing organic matter is treated with chlorine.

ffects nervous system and muscles. Probable cause of cancer.

Activated carbon, aeration, ultra filtration (20-90%), RO (20-90%)

1,1 Dichloroethylene


Used in manufacturing dyes, plastic, perfumes, paints and adhesives

Affects kidneys and liver and can cause nausea.

Activated carbon



Solvent in rubber products, chemical production waste.

Kidney, liver, nervous system damage

Activated carbon, aeration



Used in manufacturing of pesticides, plastic and metals.

Affects nervous system. Causes narcosis and probably cancer.

Activated carbon

1,2 Dichlorobenzene


Used in the manufacturing of fumigants, insecticides, waxes, resins, rubber and asphalt

Affects lungs, liver and kidneys.

Activated carbon

1,2 Dichloroethane


Used in the manufacturing of gasoline, paint, varnish, metal degreasers and insecticide fumigants

Damage kidney and liver can cause nausea

Activated carbon

1,2 Dichloropropane


Used in insecticide fumigants, dry cleaning fluids and in manufacturing of resins, waxes and petroleum products

Affects lungs, liver and kidneys.

Activated carbon



Herbicide production; dye carrier.

Liver, kidney damage

Activated carbon, aeration

1,4 Dichlorobenzene


Used in moth repellent, germicides, pesticides and soil fumigants.

Affects nervous system, liver and kidneys. Probable cause of cancer.

Activated carbon



Flocculants used in sewage and wastewater treatment.

Affect nervous system, probable cause of cancer.

Activated carbon



Synthetic rubber, food packaging, cosmetics.

Decreased body weight; liver and testes damage.

Activated carbon, aeration



Used in fuels and as a solvent in manufacturing pharmaceuticals, plastics, pesticides and paints. Often traced to leaking underground storage tanks.

Leukemia, anemia and possibly cancer

Activated carbon

Trans-1,2 Dichloroethylene


Used as an industrial solvent in the manufacturing of dyes, perfumes, lacquers and rubber.

Affects liver, and nervous and circulatory systems

Activated carbon, ozonation with UV irradiation



Used in dry cleaning and as a degreasing agent. Also used for manufacturing rubber, paints, adhesives, resins, oils and fumigants.

Irritates body tissue. Affects nervous system. Probable cause of cancer.

Activated carbon

Vinyl Chloride


Used as a plastic adhesive and refrigerant. The main component of PVC pipe

Affects nervous system. Probable cause of cancer.

Activated carbon



Used in manufacturing paint, ink, petroleum and detergents.

Affects nervous system, kidneys, lungs, liver and mucous membranes.

Activated carbon

The contaminants or other substances removed or reduced by this unit are not necessarily in your water.
Source: Water Technology, Directory Issue / 1995

Materials of Construction

Filter Media: Coconut Based Carbon

• End Caps: Polypropylene

• Inner/Outer Wraps: Polyolefin

• Netting: Polyethylene

• Gaskets: Buna-N

• Temperature Rating: 40°F to 180°F (4.4°C to 82.2°C


FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration and these products are not intended to diagnose, treat, cure or prevent any disease. This is not medical advice and is not intended to replace the advice or attention of health care professionals. Consult your physician before beginning or making any changes in your diet, supplements or exercise program, for diagnosis and treatment of illness or injuries, and for advice regarding medications.

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