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Crystal Quest Water Filters

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Crystal Quest® is a US manufacturer with more than 30 years of industry expertise to provide you with high capacity, effective, healthiest and great-tasting water. Crystal Quest Water Filters are of excellent quality, high filtration capacity, and come with a US-based manufacturer's warranty. Crystal Quest is ISO 9001 certified manufacturer.

CE certificate
ISO-9001 certified manufacturer
CRYSTAL QUEST products have been recommended by several books and doctors:
Crystal Quest uses NSF-certified components and a variety of NSF certified filtration media in building its filtration systems. Crystal Quest Whole House Filters, Water Softeners and Well Water Filters are built with Structural Fibers Poly Glass and high grade stainless steel pressure tanks which carry a 10-year warranty. Structural tanks meet or exceed ISO, AMSE and NSF standards.


Quartz Sleeve for Crystal Quest UV Sterilizers

UV Sterilizer Quartz Sleeve
SKU: CQE-PT-03150
Price: $64.95
Water Filter Housing Cap

Water Filter Housing Cap
SKU: CQE-PT-09001
Price: $19.95
Water Filter Housing Cap

Water Filter Housing Sump
SKU: CQE-PT-03079
Price: $22.00
20'' Whole House Water Filter Cartridge

20" Whole House Water Filter Cartridge
SKU: CQE-RC-04016
Price: $151.00
Free shipping in Continental USA
20'' Carbon Block Water Filter Cartridge

20" Carbon Block Cartridge
SKU: CQ-R15
Price: $25.50
High-Flow Water Filter Replacement Cartridge 10''x5''

High-Flow Replacement Cartridge 10x5
SKU: CQ-RC-PL-10x5-PLUS
Price: $155.00
Free shipping in Continental USA
Pleated Sediment Filter Cartridge CP5BB 10''x5''

5 Micron Sediment Filter 10x5
SKU: CQ-R14-10x5
Price: $19.00
Carbon Block Water Filter Cartridge 10x5 CBC-10BB

10"x5" Carbon Block Cartridge
SKU: CQ-R5-10x5
Price: $19.00
High-Flow Water Filter Replacement Cartridge 20''x5''

High-Flow Replacement Cartridge 20"
SKU: CQ-RC-PL-20x5
Price: $235.00
Free shipping in Continental USA
Pleated Sediment Filter Cartridge 5-micron 20 inch

High Flow Sediment Filter Cartridge 20"
SKU: CQ-R14-20x5
Price: $34.50
20'x5' Carbon Block Water Filter CBC-20BB

20"x5" Carbon Block Cartridge
SKU: CQ-R5-20x5
Price: $34.50
Inline Sediment Filter Cartridge

Inline Sediment Cartridge
SKU: CQE-RC-04037
Price: $28.99
Inline GAC Cartridge for Water Coolers and RO

Inline GAC Cartridge
SKU: CQE-RC-04038
Price: $28.99
UF Ultrafiltration Membrane 10 inches

10" UF Membrane Filter Cartridge
SKU: CQE-RC-UF-10
Price: $39.50
UF Membrane filter cartridge

20" UF Membrane Filter
SKU: CQE-RC-UF-20
Price: $64.50
Inline Arsenic Removal Filter CQE-RC-04062

Inline Arsenic Removal Cartridge
SKU: CQE-RC-04062
Price: $57.00
Inline Fluoride Removal Filter CQE-RC-04060

Inline Fluoride Removal Cartridge
SKU: CQE-RC-04060
Price: $57.00
Multistage Cartridge for RO and Bottleless Coolers

Inline Multistage Cartridge
SKU: CQE-RC-04040
Price: $54.99
Inline Nitrate Removal Filter for RO and Coolers

Inline Nitrate Removal Cartridge
SKU: CQE-RC-04061
Price: $57.00
Inline Ultrafiltration Membrane UF

Inline Ultrafiltration Membrane
SKU: CQE-RC-04039
Price: $42.99
Turbo Water Cooler Multistage Cartridge

Turbo Countertop Cooler Cartridge
SKU: CQE-RC-04057
Price: $27.00
UF Ultrafiltration Membrane Capsule

UF Membrane Capsule
SKU: CQE-RC-04059
Price: $20.50
Reverse Osmosis Membrane TFC / TFM 50 GDP

Reverse Osmosis Membrane
SKU: CQE-RC-04041
Price: $59.99
Inline GAC + KDF Water Filter Cartridge

Inline GAC + KDF Cartridge
SKU: CQE-RC-04044
Price: $36.50
Inline Scale Reduction Water Filter 1/4 QC

Inline Scale Reduction Cartridge
SKU: CQ-RCIS
Price: $60.00
Natural alkalizer/ionizer, mineralizer cartridge

Natural alkalizer/ionizer, mineralizer cartridge
SKU: CQ-RC-04054
Price: $49.00
GAC Cartridge for Reverse Osmosis water filters

Reverse Osmosis GAC Cartridge
SKU: CQE-RC-04042
Price: $16.50
Sediment Cartridge for Reverse Osmosis water filters

Reverse Osmosis Sediment Cartridge
SKU: CQE-RC-04043
Price: $16.50


Leak Detection, Flood Prevention Valve
SKU: CQE-PT-03060
Price: $59.00


Ozonator Water Sterilizer
SKU: CQE-OZ-00101
Price: $59.00