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Water Filter Cartridges, Replacement Filters

Water Filter Replacement Cartridges for home, whole house, commercial and industrial applications. We carry a number of "filter inserts" that are known in the industry as "cartridges". Filter Cartridges below are separated by size and application. Products are listed in the following order: 10"x2.5" filters, shower replacement cartridges, 20"x2.5" filters, 10"x5" (10x4.5) filters, 20"x5" (20x4.5) filters, inline and other sizes. Please browse our catalog or use Search function if you know model number.
 
How to identify which replacement cartridge you need?
Look for Brand and Model number written on your system. Also, look for any filter models that can be written on each individual housing for systems that use more than one filter. You may be able to identify cartridges by system model. If you are unable to get any product numbers, remove each cartridge (or at least one) from its housing. For round cylinder filters, measure width and diameter, it should give an indication whether your filter is of standard size. For instance, a 10"x2.5" standard filter may measure 9 7/8" x 2 1/4" (and up to 3" in diameter). Standard sizes are 10x2.5, 20x2.5, 10x5 (10x4.5) and 20x5 (20x4.5) inches (first number is length, second diameter). 

Narrow your search further:
  • Sediment Water Filters and Replacement Cartridges
  • Activated Carbon Water Filters and Carbon Block Fi


Arsenic Water Filter Cartridge 20 inches Arsenic Filter Cartridge 20"
SKU: CQ-R19-20
Arsenic cartridges contain high quality resin specifically designed to remove Arsenic V and III from drinking water.
 
Arsenic Removal Water Filter Capacity: 3000 gallons
Maximum temperature: 100°F (38°C)
Minimum...
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Our Price: $100.00
free shipping in US

Omnipure POCB200 GAC 20"
SKU: OMN-GAC-20
Omnipure POCB200 19 3/4" x 3" GAC Phosphate cartridge.
 
Phosphate crystal and Coconut Shell GAC cartridges are designed to effectively reduce chlorine, bad taste and odor from your...
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Our Price: $39.00

Phosphate and Coconut Shell GAC Cartridge 20'' Phosphate and GAC Cartridge 20"
SKU: CQE-RC-04025
Standard 20"x2.5" Phosphate crystal and Coconut Shell GAC cartridges are designed to effectively reduce chlorine, bad taste, odor and certain organics in addition to preventing scale build-up in down line appliances. These cartridges are used with commercial food...
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Our Price: $42.00

DI Demineralizing Filter Cartridge 20 inches Demineralizing Filter Cartridge 20"
SKU: CQ-R-04023
Mixed Bed DI Industrial Grade cartridge 20"x2.5". 20 inch Demineralizing cartridge is great to use in situations where water has a high mineral content and needs to be demineralized. DI Filter Cartridge removes Total Dissolved Solids ( TDS )...
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Our Price: $45.00

Fluoride Water Filter Cartridge 20 inch Fluoride Filter Cartridge 20"
SKU: CQE-RC-04019
Fluoride Reduction Water Filter Cartridge in 20" x 2.5" size. Contains fine mesh pre-resin media also known as aluminum oxide ( AAL ). Reduces fluoride below 0.5 ppm. Requires a standard 2.5x20 inches housing for operation.

Fluoride Removal Water Filter...
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Our Price: $99.00
free shipping in US

UF Membrane filter cartridge 20" UF Membrane Filter
SKU: CQE-RC-UF-20
Ultrafiltration (UF) is an important purification technology used for the production of high-purity water. UF is effective for the removal of colloids, proteins, bacteria, viruses, parasites protozoa and pyrogens, (e.g.,...
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Our Price: $64.50

Nitrate Filter Cartridge 20x2.5 inch Nitrate Filter Cartridge 20"
SKU: CQE-RC-04020
Standard 20"x 2.5" Nitrate Removal Filter Cartridge. Contains special nitrate-selective resin. Nitrate reduction is 90% to 95% and breakthrough...
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Our Price: $99.00
free shipping in US

Water Softening Cartridge 20'' Cation Resin 20" Water Softening Cartridge
SKU: CQ-RC-CR-20
20" Water Softener Cartridge by CRYSTAL QUEST is a standard 20x2.5 cartridge provides softened water in a convenient cartridge style design. These cation exchange softening cartridges utilize a bed of sodium form cation resin beads to...
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Our Price: $34.00

Calcite Acid Neutralizer Water Filter Cartridge 20'' Calcite Acid Neutralizer pH Increaser Cartridge 20"
SKU: CQE-RC-04024
Calcite Acid Neutralizer pH Increaser Cartridge 20", a replacement cartridge used for the remineralization of soft, acidic, or low pH water. It is infused with a bed of Coconut Shell Granulated Activated Carbon(GAC) media that acts...
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Our Price: $39.99

Sediment Hot Water Filter 20 x 2.5, 5 micron Sediment Hot Water Filter 20"
SKU: MS20FS5-B-T
Sediment Hot Water Filter 20"x2.5". 5 micron removal of Sediment, rust and dirt. Polypropylene fibers with metal frame for purity and chemical stability. Meets FDA requirements for food and beverage contact. Suitable for filtration liquids (such as drinking water),...
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Our Price: $19.99

Pentek ChlorPlus 20 Chloramine Filter 255417-43 Pentek ChlorPlus 20 Chloramine Filter
SKU: PTK-255417
Pentek ChlorPlus 20 Chloramine removal Water Filter Cartridge is a 20"x2.5" Carbon Block 1 micron Water Filter cartridge # 255417-43 designed to remove chloramines from drinking water. ChlorPlus Water Filter is a premium, high capacity Chloramine, Taste and Odor...
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Our Price: $42.99
Sale Price: $37.99

KX Matrikx CTO Carbon Filter 01-250-125-20 20 inch KX Matrikx CTO PLUS 01-250-125-20 20" Carbon Filter
SKU: KXM-20
KX Matrikx CTO PLUS Carbon Block water filter # 01-250-125-20 is  a 20 x 2.5 inch 0.6 micron cartridge designed to reduce Chlorine, Bad Tastes, Odor,VOCs, Turbidity and High chemical Adsorption. Cartridge fits most standard...
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Our Price: $32.00

KX Matrikx VOC Carbon Filter 02-250-125-20 20 inch KX Matrikx VOC 02-250-125-20 20" Water Filter
SKU: KXM-13
KX Matrikx VOC Carbon Block water filter # 02-250-125-20 is  a 20 x 2.5 inch 0.6 micron cartridge designed to reduce chlorine, taste, odor and VOCs. Cartridge fits most standard 20"x2.5" filter housings. Can be used in point-of-use,...
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Our Price: $29.99

Pleated Sediment Filter Cartridge CP5BB 10''x5'' 5 Micron Sediment Filter 10x5
SKU: CQ-R14-10x5
5-Micron Sediment Filter 10x5 by CRYSTAL QUEST is a standard 10"x5" reusable Pleated Sediment Cartridge for Whole House and High-Flow water filtration systems. This 5-Micron Sediment Pleated Filter Cartridge outperforms wound, spun,...
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Our Price: $19.00

Carbon Block Water Filter Cartridge 10x5 CBC-10BB 10"x5" Carbon Block Cartridge
SKU: CQ-R5-10x5
The 10"x5" Carbon Block Cartridge(Coconut Shell) by CRYSTAL QUEST, replacement cartridge that simultaneously removes chlorine ,bad taste and odor, and organic chemicals that contribute to water taste and smell, while providing the...
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Our Price: $19.00

GE Dual Gradient Sediment Filter 10-50 GE Dual Gradient Sediment Filter 10-50
SKU: MBB50-05-10
GE Dual Gradient Sediment Filter 10-50 is a 10" X 4.5" filter with 5-50 micron dual sediment layers that reduces sand, rust, dirt, silt, turbidity and similar particles. Dual sediment layers provide up to three...
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Our Price: $15.00

High-Flow Water Filter Replacement Cartridge 10''x5'' High-Flow Replacement Cartridge 10x5
SKU: CQ-RC-PL-10x5-PLUS
High-Flow Replacement Cartridge 10x5 by CRYSTAL QUEST features a 6-stage filtration process that can remove hundreds of contaminants from your drinking water. This heavy duty water filter cartridge is built for high-flow...
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Our Price: $155.00
free shipping in US

Pentek RFC-BB 10x5 Carbon Filter 155141-43 Pentek RFC-BB Cartridge 155141
SKU: PTK-RFC-BB
Culligan / Pentek RFC-BB10 10"x5" Radial Flow Carbon Filter Cartridge # 155141. Genuine Pentek water filter compatible with Culligan, Ametek, US Filter, Plymouth, Kleen Plus, American Plumber, Bruner and many other brands.
Pentek RFC-BB 10 Carbon Water Filter...
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Our Price: $33.50

Pentek GAC-BB10 10x5 Carbon Filter 155153-43 Pentek 155153 10 inch GAC-BB Cartridge
SKU: PTK-GAC-BB10
Pentek GAC-BB10 10"x5" Granular Activated Carbon Chlorine Taste and Odor cartridge # 155153. Excellent Big Blue 10 inch Taste and Odor reduction cartridge that can also remove Sulfur / Hydrogen sulfide / Rotten egg smell. Genuine Pentek water filter...
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Our Price: $27.99

KX Matrikx +Pb1 Carbon Filter 06-250-200-975 KX Matrikx +Pb1 06-425-200-975 10 inch Filter
SKU: KXM-09
KX Matrikx + Pb1 Carbon Block water filter # 06-250-200-975 is KX Matrikx "Premier Performer", a 10 x 5 inch 0.5 micron cartridge designed to reduce lead, cysts, chlorine, taste, odor and sediment.  Water Filter Cartridge fits most...
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Our Price: $50.99

KX Matrikx CTO Carbon Filter 32-425-125-975 BB KX Matrikx CTO 32-425-125-975 BB 10 inch Filter
SKU: KXM-10
KX Matrikx CTO Carbon Block water filter # 32-425-125-975 is KX Matrikx Big Blue water filter, a 10 x 5 inch 5 micron cartridge designed to reduce chlorine, taste, odor and sediment.  Water Filter Cartridge fits most standard...
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Our Price: $28.99

KX Matrikx VOC Carbon Filter 02-425-125-975 BB KX Matrikx VOC 02-425-125-975 BB 10 inch Filter
SKU: KXM-12
KX Matrikx VOC Carbon Block water filter # 02-425-125-975 is KX Matrikx Big Blue water filter, a 10 x 5 inch 0.6 micron cartridge designed to reduce chlorine, taste, odor and VOCs. Water Filter Cartridge fits most standard 10"x5" filter...
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Our Price: $36.00  

KX Matrikx CTO PLUS Carbon Filter 10x5
SKU: KXM-16
KX Matrikx CTO PLUS Carbon Filter # 01-425-125-975 (CTO PLUS) is a high performance carbon filter for drinking water applications, removes Chemicals, Taste and Odor, and VOCs. Cartridge fits most standard 10"x5" filter housings. Also known in the industry as " Read more
Our Price: $36.00

Pentek ChlorPlus BB Chloramine Filter 355752-43 Pentek ChlorPlus BB Chloramine Filter
SKU: PTK-355752
Pentek ChlorPlus BB Chloramine removal Water Filter Cartridge is a 10"x4.5" Carbon Block 1 micron Water Filter cartridge # 355752-43 designed to remove Chloramines (Combined Chlorine) from drinking water in high flow and whole house applications. ChlorPlus-BB Water...
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Our Price: $51.00

Pleated Sediment Filter Cartridge 5-micron 20 inch High Flow Sediment Filter Cartridge 20"
SKU: CQ-R14-20x5
High Flow Sediment Filter Cartridge 20" by CRYSTAL QUEST is a 5-micron, standard 20"x5" reusable Pleated Sediment Cartridge for Whole House and High-Flow water filtration. This 5-Micron Sediment Pleated Filter Cartridge outperforms...
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Our Price: $34.50





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