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Home > Crystal Quest → Triple Undersink Water Filter, 8-Stage

Triple Undersink Water Filter, 8-Stage

Crystal Quest Triple Undersink Water Filter 8 Stage, CQE-US-00309

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Brand: Crystal Quest
free shipping
Dimensions: 15" x 14" x 5"
Weight: 14 lb.

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

Made in USA

Product SKU Description Price Order
PLUS CQE-US-00309 Filters 10,000 gallons $145.00
ULTRA CQE-US-00310 Filters 20,000 gallons $165.00
ULTIMATE CQE-US-00311 Filters 30,000 gallons $185.00

Triple Undersink Water Filter, an 8-Stage three cartridge filtration system by CRYSTAL QUEST(Also known as Mega 3000). This Undersink Water Filtration System saves kitchen countertop space and employs 3 cartridges for filtration: (a.)multistage cartridge-solid state water filter that uses the latest technologies in blending the adsorption capabilities of coconut shell activated carbon(GAC) with Eagle Redox Alloy, (b.)sediment filter that removes sediment, silt, sand and dirt and (c.)a solid carbon cartridge for removing volatile organic carbon compounds (VOC's, insecticides, pesticides, and industrial solvents). Its 8-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.

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:

  • 8 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 Sediment, Solid Carbon, Coconut Shell/Granulated Activated Carbon and Eagle Redox Alloy® filtration.
  • Replaceable filters.


Filter Configurations:

SKU Filtration Capacity Filter Life
Undersink-W14-PLUS [CQE-US-00309] *(CQ-RC-PL-10, CQE-RC-04002) 10,000 gallons 1-3 years
Undersink-W14-ULTRA [CQE-US-00310] *(CQ-RC-UL-10, CQE-RC-04003) 20,000 gallons 2-4 years
Undersink-W14-ULTIMATE[CQE-US-00311] *(CQ-RC-UM-10, CQE-RC-04004) 30,000 gallons 3-5 years


Undersink water filter installation
Dimensions(LxHxW): 15"x14"(10"+ 4" to change cartridge)x5"W
Operating Temperature (°F): 40°F - 90°F
Operating Pressure(PSI): 20 psi - 60 psi
Design Flow Rate(Gallons per Minute, gpm): 0.5gpm(suggested)
Filter Life: 6-9 months(Solid Carbon and Sediment)
Fitting Size(inches): 1/4"(Also available in 3/8")
Weight(lbs): 14 lbs
End Caps: Polypropylene #5
Inner/Outer Wraps: Polyolefin
Netting: Food Grade High-density Polyethylene
Gaskets: Buna-N

- 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.

BPA Eagle Redox Alloy
NSF 42 NSF 61

Price Quantity
Carbon Block Filter CQ-R5
Carbon Block Filter CQ-R5 by Crystal Quest is a standard 10"x2.5" 5-micron Coconut Shell Carbon Block replacement filter cartridge CCBC-10. Ca...
Product # CQ-R5
Pleated Sediment Filter 10 inch
Pleated Sediment Filter 10 inch by Crystal Quest is a standard 10"x2.5" 5-micron sediment filter. It is a reusable pleated cartridge that outp...
Product # CQ-R14-10
6-stage Filter Cartridge
6-stage Filter Cartridge by CRYSTAL QUEST, a standard 10"x2.5" replacement filter cartridge that is commonly utilized in different combo-filtr...
European Faucet for Undersink Filter
European-style faucet for undersink water filters. Nickel-plated european style upgrade faucet for Crystal Quest undersink filtration systems, and other under counter filte...
O-Rings for 10x2.5 Housing
O-Rings for Counter Top or Under Sink 10x2.5 inch water filter housings, set of 3. ACTUAL Diameter: 3.5" (90 mm). Available in clear or black, for different systems, please choose id...
Product # CQE-PT-03082

Product Rating: (5.00)   # of Ratings: 1   (Only registered customers can rate) Login to Rate

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Customer Reviews : 1 Review(s)
1. Martin on 3/16/2015, said:

The product is really good quality, very easy to install. The company has a great customer service. I recommend this product, very much!
  (0 people found this comment helpful, 0 did not)
: 1 Review(s)

Water Quality Association Member