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Under Sink and UnderCounter Water Filters

Under Sink water filters are point-of-use systems used to filter tap water in the kitchen. The systems are installed under counter and provide filtered water through a separate faucet. A typical Under Counter System consists of a faucet that is installed near existing kitchen faucet, and typically a single, dual or triple cartridge system that is installed under counter into a kitchen cabinet. Undersink Filter is then connected to cold water line to deliver clean drinking water of great taste and high purity. We offer standard 2.5"x10" cartridges in our Crystal Quest systems.


Undersink Water Filter 6-stage Under Sink Single Undersink Water Filter, 6-Stage
SKU: CQE-US-00303
Single Undersink Water Filter, 6-Stage single cartridge filtration system by CRYSTAL QUEST(Also known as Mega 1000). This Under-sink Water Filtration System saves kitchen counter-top space and...

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Price: $95.00

Undersink Water Filter no Cartridge Disposable Undersink Water Filter no Cartridge
SKU: CQE-US-00300
Undersink Water Filter no Cartridge by Crystal Quest is a 6-stage disposable filtration system. The multi-stage process includes a combination of Coconut...

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Price: $109.00

Crystal Quest Dual Undersink Water Filter Mega Dual Undersink Water Filter, 7-Stage
SKU: CQE-US-00306
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...

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Price: $125.00

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

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Price: $145.00

Under Sink Triple Water Filter for Oil and VOCs Undersink Triple Ultrafiltration Water Filter
SKU: CQE-US-00309H
Undersink Triple Ultrafiltration Water Filter by CRYSTAL QUEST is a 3-cartridge, 8-stage filtration setup consisting of a UF membrane, solid carbon...

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Price: $165.00

Undersink Arsenic Water Filter Single CQE-US-00318 Undersink Arsenic Multi Water Filter, Single
SKU: CQE-US-00318
The Undersink Arsenic Multi Water Filter, Single by CRYSTAL QUEST is a 1-cartridge, 6-stage filtration setup that clears your drinking water with arsenic and hundreds of other impurities. It...

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Price: $139.00

Undersink Water Filter With Arsenic Double Undersink Arsenic Dual Filter
SKU: CQE-US-00319
The Undersink Arsenic Dual Filter by CRYSTAL QUEST is a 2-cartridge, 7-stage filtration setup consisting of an Arsenic Removal cartridge and the standard 6-stage cartridge containing the...

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Price: $169.00

Undersink Water Filter With Three Cartridges Arsen Undersink Arsenic Filter Triple
SKU: CQE-US-00320
The Undersink Arsenic Filter Triple by CRYSTAL QUEST is a 3-cartridge, 8-stage filtration setup consisting of a Carbon Block cartridge, Arsenic removal...

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Price: $190.00

Undersink Ceramic Water Filter Under Counter Undersink Ceramic Water Filter
SKU: CQE-US-00312
Undersink Ceramic Water Filter by Crystal Quest is an undersink specialty filter that reduces microscopic contaminants from non-chlorinated water source such as well water. Ceramic water filters are an inexpensive and effective...

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Price: $99.00

Undersink Water Filter with Ceramic Cartirdge Undersink Ceramic Filter Triple
SKU: CQE-US-00314
Undersink Ceramic Filter Triple by Crystal Quest is a 3-cartridge, 8-stage filtration setup consisting of a Carbon Block cartridge, Ceramic filter cartridge...

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Price: $159.00

Undersink Water Filter Single, Removes Fluoride Undersink Water Filter with Fluoride Removal, Single
SKU: CQ-W12F-PLUS
Undersink Water Filter with Fluoride Removal, Single by CRYSTAL QUEST is your solution. This is a one-cartridge, 7-stage filtration system that clears your drinking water from fluoride and...

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Price: $115.00

Undersink Water Filter With Fluoride Double Cartridge Undersink Dual Filter With Fluoride Removal
SKU: CQ-W13F-PLUS
Under Sink Dual Filter With Fluoride Removal by CRYSTAL QUEST is a 2-cartridge filtration setup - first filter specific for the removal of fluoride and another for the standard 6-stage filter to remove hundreds of other...

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Price: $153.00

Triple Undersink Water Filter + Fluoride Removal Undersink Water Filter Triple with Fluoride Removal
SKU: CQ-W14F-PLUS
The Undersink Water Filter Triple with Fluoride Removal by CRYSTAL QUEST is a 3-cartridge, 8-stage filtration setup consisting of a Carbon Block cartridge,...

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Price: $173.00

Undersink Nitrate Water Filter Single CQE-US-00322 Undersink Nitrate Filter Single
SKU: CQE-US-00322
Undersink Nitrate Filter Single by CRYSTAL QUEST is a single cartridge, 6-stage filtration system that reduces Nitrates up to 90%-95% without being affected by sulfate levels. It contains a...

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Price: $123.00

Undersink Water Filter With Nitrate Double Undersink Nitrate Water Filter Dual
SKU: CQE-US-00323
Undersink Nitrate Water Filter Dual by CRYSTAL QUEST is a 2-cartridge, 7-stage filtration setup consisting of a Nitrate Removal cartridge and the standard...

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Price: $159.00

Undersink Water Filter Triple with Nitrate Removal Undersink Nitrate Water Filter Triple, 8-stage
SKU: CQE-US-00324
Undersink Nitrate Water Filter Triple, 8-stage by CRYSTAL QUEST is a 3-cartridge, 8-stage filtration setup consisting of a Nitrate Removal cartridge, Carbon...

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Price: $181.00

Ultraviolet Water Sterilizer 1 gallon per minute Ultraviolet Water Sterilizer 1 GPM
SKU: CQ-UV-1GPM
Ultraviolet Water Sterilizer by CRYSTAL QUEST is specifically designed to remove microorganisms that can range from bacteria and viruses to algae and protozoa. It's advanced UV treatment is...
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Price: $149.00
Sale Price: $139.00

FW-MINI Under Sink Water Filtration System FW-MINI Under Sink Water Filtration System
SKU: FW-MINI
Introducing MINI - Designer Under Sink Filtration System everyone will envy! A designer look, and great 3-stage Regular or 4-stage Reverse Osmosis filtration system make this product stand out from the crowd on their own. Finally, a product that will look good and take...

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Price: $279.99