Crystal Quest Multi-Stage
Double Housing
Countertop & Undersink
Fluoride Water Filter System

Stainless Steal Undersink Polypropylene
$219.80 $164.00 $149.00

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Remove fluoride in the style you like

People everywhere are coming to the conclusion that fluoride, which was thought to prevent tooth decay, is really a neurotoxin. Learn more about the dangers of consuming fluoride. We also have the only economical fluoride test kit in the USA to see if you have more than 2 ppm for fluoride in your drinking water. After learning the facts about fluoride you will wonder why is this even considered a controversial issue and see why many people are being acting now to protect their families by removing fluoride from their tap water.

We have the most robust filters available for removing fluoride and the other contaminants typically found in your tap water. On this page you will find our double filter housing systems with the Crystal Quest Multi-Stage Fluoride removal filter cartridge installed. Read the details of this amazing filter below. These are the most economical way to remove fluoride, chlorine, heavy metals, rust, and a host of other contaminants. This is a much better option than Brita, Aquasana or bottled water. Any one of these single housing units can also be used as a prefilter to any of our alkaline microwater ionizers.

If you require a system that is not as robust as these double filter system try the single filter system. If you require a system that has greater filtration capacity than the double housing multi-stage filter systems then you should look at the triple housing or whole house filter systems.

CRYSTAL QUEST Mega Countertop Replaceable Single Fluoride Multi PLUS Water Filter System is built to last for years. These water filtration systems are easy to install and you have the option of choosing a countertop or undersink unit. They are stylish, convenient, and effectively removes FLUORIDE and many other contaminants from water.

Seven (7) Stages of Filtration
In stage 1, water travel through a FLUORIDE REMOVAL cartridge. Containing synthetic Aluminum Oxide adsorbant media. This filter has far more fluoride filtration capacity than the single filter systems and will treat more water. It is specifically designed to have a high affinity for Fluoride, Lead and Arsenic. It removes metals through a mixture of adsorption and chemical reaction with the media, therefore, the elimination is not reliant on ion exchange. It has uniform particle size, is physically stable and can be used over a wide pH range. Capacity: 4500 ppm Fluoride (Avg. 1000 to 1500 Gallons) .* As high as 11000 ppm F+ with effluent levels below 0.2 This fluoride removal filter also effectively removes lead and arsenic.

In stage 2, water water flows through pre and post one - micron filter pads (1 micron equals 1/25,000th of an inch), which remove suspended particles such as silt, sediment, cyst (Giardia, Cryptosporidium), sand, rust, dirt, and other un-dissolved matter.

In stages 3 and 4, water flows through a bed of media made of a special high-purity alloy blend of two dissimilar metals - copper and zinc (ERA-6500, ERA-9500). ERA-6500 and ERA-9500 are major advancements in water treatment technology that works on the electro-chemical and spontaneous-oxidation-reduction (Eagle Redox Alloy) principles. Chlorine is instantaneously and almost inexhaustibly oxidized. Tests on KDF/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.

In stage 5, water flows through ion exchange resins, reducing heavy metals such as lead, copper, aluminum, and water hardness.

In stage 6, 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.

In stage 7, water flows through another one micron post filter pad which removes suspended particles such as silt, sediment, cyst (Giardia, Cryptosporidium), sand, rust, dirt, and other un-dissolved matter. 

Recommended flow rate: below 0.5 GPM.

Countertop Installation 
The Crystal Quest
Mega filter is quick and easy to install. follow these simple instructions

Check your thread type outside threads: no adapters needed Inside threads: select which adapter to use
  1. Remove aerator from your faucet on which the filter will be installed

  2. Determine the type of threads on your faucet. If your faucet has outside threads then no adapters should be needed.  If your faucet has inside threads then you will need to select the correct adapter and washer and screw then into the faucet and tighten manually. The adapters included with your Crystal Quest Mega filter will fit most faucets.

  3. Screw the diverter valve onto the faucet, turning swivel collar to tighten. Make certain that the gasket is positioned securely between the diverter valve and the faucet or adapter. Rotate diverter valve stem to desired position. The swivel color may need retightening.

  4. Turn on the water then turn the diverter handle to send water to the filter system. 


Undersink Installation 
The Crystal Quest Mega filter is quick and easy to install. follow these simple instructions>

  • Hooks up to separate chromed long reach faucet

  • Quick connect fittings for easy installation

  • Installs out of sight under the sink

  • Easy installation kit included


CRYSTAL QUEST Fluoride Filter Cartridge

  • Contains fine-mesh pre-resin media in the unit to reduce fluorides below 0.5 ppm. Click here to learn more.

  • Capacity is up to 11,000 ppm with effluent levels below 0.2 ppm from 10 ppm feed. Note: high pH and high bicarbonate levels reduce capacity - above 100 ppm bicarbonate, reduction by 50%; above 200 ppm, reduction by 75%. Also effectively removes lead and arsenic.

CRYSTAL QUEST Fluoride Filter Cartridge

Capacity (<100 ppm hardness):

1100 ppm

Design flow rate

0.25 GPM

Maximum temperature

100F (38C)

Minimum temperature

40F (5C)

Maximum pressure

125 PSI (8.6 bar)

Minimum pressure

20 PSI (1.4 bar)

Micron rating

25 nominal

Materials of Construction
End Caps: Polypropylene
Inner/Outer Wraps: Polyolefin
Netting: Polyethylene
Gaskets: Buna-N

2-7/8" x 9-3/4"

Crystal Quest Multi Stage PLUS Filter Cartridge

Crystal Quest Multi Stage Plus filtration cartridge - is constructed with the following levels one-micron filter pad, ERA-6500, ERA-9500, GAC, ion exchange resin, and another one-micron pad. Removes many contaminants* from your drinking water. Used for low flow such as countertop and undersink applications.

CRYSTAL QUEST 6 stages filtration cartridge Specification

Capacity (<100 ppm hardness):

10,000 gallons *

Design flow rate

1 to 1.5 GPM

Maximum temperature>

100F (38C)

Minimum temperature>

40F (5C)

Maximum pressure>

125 PSI (8.6 bar)

Minimum pressure>

20 PSI (1.4 bar)

Materials of Construction
End Caps: Polypropylene
Inner/Outer Wraps: Polyolefin
Netting: Polyethylene
Gaskets: Buna-N

2-7/8" x 9-3/4"

CRYSTAL QUEST Utilizing the latest technologies in water industry, coupled with 30 years of manufacturing expertise, we provide you with the most effective, healthy, great-tasting water, conveniently, at the most affordable price. Our products are attractive, easy to install and use, and removes more than 500 contaminants from water. The unique design allows for a substantial amount of filtration media enabling more contact time with the water. More contact time means better filtration.

It can be easily back washed. Semi annually back washing of the unit not only ensures balanced filtration and eliminates the potential for channeling, but also back-flushes the unit.

Optional: Washable Pre-filtration Filter
Washable Pre-filtration Filter. Specially designed for use with any kind of water system with an unusually large amount of sediment that can clog up the water filter. This pre-filter helps remove the sediment, thus enabling your filter to work more efficiently and extend the lifetime of filters. It is installed between the water filter and the tubing. No tools are necessary for installation. Filter elements are easy to replace. Inside is a fine stainless steel filter and an FDA approved 4 micron filter that is easy to clean out.

Suggested flow rate: .75 or less gallon per minute

Polypropylene Countertop Fluoride Multi-Stage Water Filter

Dimensions: 10"L x 13"H x 5"W
International Shipping Information


Add to Cart
Optional Washable Sediment Pre-filtration Filter
Polypropylene Double Housing Fluoride Removal Multi-Stage Countertop Water Filter

  Free Shipping to the 48 lower States for orders over $100.00   

Stainless Steal Countertop Fluoride Multi-Stage Water Filter
  Dimensions: 9"L x 13.5"H x 5"W


Add to Cart
Optional Washable Sediment Pre-filtration Filter
Stainless Steal Double Housing Fluoride Removal Multi-Stage Countertop Water Filter  
Undercounter Fluoride Multi-Stage Water Filter


Add to Cart
CrystalQuest Double Housing Fluoride Removal Multi-Stage Undersink Water Filter *
CrystalQuest Multi-Stage Replacement Cartridge Filters
SMART Multi Stage Replacement Filter Fluoride Removal Filter

International Shipping Information



Add to Cart
Fluoride Removal Replacement Cartridge Filter  

Crystal Quest Multi Stage PLUS Filter Cartridge - 10,000 gallons *  

  Free Shipping to the 48 lower States for orders over $100.00   

* Filtration capacities are based on water quality

Other related water filter products

All Our Whole House Water Filters


Other related water filter products

Faucet Mount
Water Filter
Water Filter
CRYSTAL QUEST Handheld & Shower Head Combo Filter CRYSTAL QUEST Bath Ball Filters CRYSTAL QUEST Luxury Shower Power

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The statements enclosed herein have not been evaluated by the Food and Drug Administration. The products mentioned on this site are not intended to diagnose, treat, cure, or prevent any disease. Information and statements made are for education purposes and are not intended to replace the advice of your family doctor.

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