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Home > Water filtersUndersink Filters → Dual Undersink Water Filter, 7-Stage

Dual Undersink Water Filter, 7-Stage

Crystal Quest Dual Undersink Water Filter CQE-US-00306, CQE-US-00306

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Brand: Crystal Quest
free shipping
Dimensions: 14" x 10" x 5"
Weight: 9 lb.

Ships in 2-3 days
Filter cartridge(s) included

Made in USA

Product SKU Description Price Order
PLUS CQE-US-00306 Filters 10,000 gallons $125.00

ULTRA CQE-US-00307 Filters 20,000 gallons $145.00

ULTIMATE CQE-US-00308 Filters 30,000 gallons $165.00


Dual Undersink Water Filter, 7-Stage - two cartridge filtration system by CRYSTAL QUEST®(Also known as Mega 2000). This Undersink Water Filtration System saves kitchen countertop space and employs a multistage cartridge with a solid state water filter that uses the latest technologies in blending the adsorption capabilities of coconut shell activated carbon(GAC) with Eagle Redox Alloy® and more. Another cartridge designed into this system, Solid Carbon, removes volatile organic carbon compounds (VOC's, insecticides, pesticides and industrial solvents). Its 7-stage filtration process eliminates hundreds of impurities from tap water giving your family a continuous supply of pure, great tasting and healthy drinking water. The perfect solution for any household, apartment or office.
Undersink water filter installation
Quick, easy to install and use! The whole system is attractive, convenient and effectively removes many contaminants from water. Can also be installed on refrigerators/ice makers(requires this optional hook-up, sold separately).

Key Features and Benefits:

  • 7 Stages of filtration.
  • Installs neatly under the sink.
  • Comes with an attractive faucet and all necessary installation hardware.
  • Conveniently provides years of filtered water(depending on configuration).
  • Combination of Solid Carbon, Granulated Activated Carbon and Eagle Redox Alloy®.
  • Replaceable filters.

Contaminants Reduced:

  • Aluminum
  • Heavy Metals
  • Bacteria
  • Sediment
  • Copper
  • Lead
  • Giardia
  • Sand
  • Nickel
  • Cadmium
  • E. Coli
  • Dirt
  • Chromium
  • Mercury
  • Salmonella
  • Silt
  • Streptococcus/Enterococcus Faecalis
  • Cryptosporidium
  • Cysts
  • Fecal Coliform
  • Volatile Organic Carbons
  • Insecticides
  • Pesticides
  • Industrial Solvents


Filter Configurations:

SKUFiltration CapacityFilter Life
Undersink-W13-PLUS [CQE-US-00306] *(CQ-RC-PL-10, CQE-RC-04002)10,000 gallons1-3 years
Undersink-W13-ULTRA [CQE-US-00307] *(CQ-RC-UL-10, CQE-RC-04003)20,000 gallons2-4 years
Undersink-W13-ULTIMATE[CQE-US-00308] *(CQ-RC-UM-10, CQE-RC-04004)30,000 gallons3-5 years


Dimensions(LxHxW):10"x14"(10"+ 4" to change cartridge)x5"
Operating Temperature (°F):40°F - 90°F
Operating Pressure(PSI):20 psi - 60 psi
Design Flow Rate(Gallons per Minute, gpm):0.5gpm(suggested)
Solid Carbon Filter Life:6-9 months
Fitting Size(inches):1/4"(Also available in 3/8")
Weight(lbs):9 lbs
End Caps:Polypropylene #5
Inner/Outer Wraps:Polyolefin
Netting:Food Grade High-density Polyethylene

- System comes with a faucet, 1/4" water line to connect it to supply, and installation hardware.
- On installation, if current under sink plumbing is hard copper tubing the saddle valve would be used; for flex tubing the T-valve would be required. Please specify in Notes on the Shopping cart screen at checkout if you have a preference, otherwise you may get one or the other.

BPAEagle Redox Alloy
NSF 42NSF 61

** Another available system that does not include a faucet is the Voyager Undersink Inline Filter Series(CQE-IN-00306, CQE-IN-00307 and CQE-IN-00308).

Price Quantity
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Crystal Quest Dual Undersink Water Filter CQE-US-00306