2.5" x 9.75" Filter Cartridges


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The cartridges listed below will fit standard filter housings made for 2.5" x 9.75" (also commonly called 2.5" x 10" or just 10") replacement cartridges. This is the most common filter cartridge size made.


Carbon Block Filters

Carbon blocks are generally considered the best filters available for chemical reduction and taste/odor improvement. Some have other properties, like lead removal and cyst reduction, engineered into them.

Amazing 20,000 gallon chlorine capacity and great chemical removal properties. Our most popular cartridge. (Formerly MatriKX +1.)

Type

Carbon Block

Micron

  • Nominal 0.6

  • Absolute 2

Media

  • Activated Carbon

$21.00
Part # fc001

A free-flowing but very effective carbon block. A versatile and inexpensive filter that works anywhere carbon filtration is needed.

Type

Carbon Block

Micron

  • Nominal 5

  • Absolute 10

Media

  • Activated Carbon

$16.00
Part # fc003

High quality 0.5 micron carbon block drinking water filter. Rated for cyst removal and lead reduction, plus excellent taste/odor and chemical reduction properties. Not recommended for use in reverse osmosis units.

Type

Carbon Block

Micron

  • Nominal 0.5

  • Absolute 1

Media

  • Activated Carbon

  • Lead Removal Resin

$29.00
Part # fc004

A high performance chlorine and chemical filter that is tight enough to remove cysts. Filters down to 0.5 microns.

Type

Carbon Block

Micron

  • Nominal 0.5

  • Absolute 1

Media

  • Activated Carbon

$27.00
Part # fc015

High quality sub-micron extended pass carbon block filtration for Pura brand undersink UV1 & UVB ultraviolet units.

Type

Carbon Block

Micron

  • Nominal 0.5

Media

  • Activated Carbon

$38.00
Part # fc800

Free-flowing extended pass carbon block for Pura Brand undersink UV1 & UVB ultraviolet units

Type

Carbon Block

Micron

  • Nominal 10

Media

  • Activated Carbon

$38.00
Part # fc801

Sub micron carbon block for QMP-brand countertop ultraviolet unit.

Type

Carbon Block

Micron

  • Nominal 0.5

Media

  • Activated Carbon

$29.00
Part # fc899

A Pentek carbon block for chlorine, chloramine, and chemical reduction. Manufacturer rated for 2,500 gallons chloramine reduction at 0.5 gpm.

Type

Carbon Block

Micron

  • Nominal 1

Media

  • Powdered Activated Carbon

$33.00
Part # fc027

A coconut shell catalytic carbon block filter for chlorine, chloramine, and general chemical reduction.

Type

Carbon Block

Micron

  • Nominal 1

Media

  • Catalytic Carbon

$28.00
Part # fc036

Coconut shell carbon block for VOC reduction, taste and odor improvement, and general chemical reduction at a high flow rate.

Type

Carbon Block

Micron

  • Nominal 5

Media

  • Coconut Shell Carbon

$19.00
Part # fc037

A Chester Paul carbon block for chlorine, chloramine, and chemical reduction. Manufacturer rated for 3,200 gallons chloramine reduction at 0.5 gpm.

Type

Carbon Block

Micron

  • Nominal 1

Media

  • Catalytic Carbon

$31.00
Part # fc034

A unique combination of sediment filter and carbon block, for chlorine reduction and taste/odor improvement.

Type

Carbon Block

Micron

  • Nominal 10

Media

  • Activated Carbon

  • Spun Polypropylene

$16.00
Part # fc035

Granular / Media Filters

With one exception, cartridges in this section are Axial Flow. This section includes both granular carbon filters, KDF/carbon filters, and specialty media filters for many purposes. In axial cartridges, water enters the bottom of the cartridge and exits at the top.

Half granular coconut shell carbon and half activated alumina fluoride reduction resin.

Type

Media

Media

  • Activated Alumina

  • Activated Carbon

$39.00
Part # fc007

1.5 pounds of KDF 55 with granular activated carbon. Extended chlorine reduction and heavy metal reduction.

Type

Media

Media

  • Activated Carbon

  • KDF 55

$39.00
Part # fc008

Our best fluoride reduction cartridge. A generous amount of highest quality activated alumina media.

Type

Media

Media

  • Activated Alumina

$39.00
Part # fc011

Very high quality Pentek cartridge which uses premium grade coconut shell GAC for superb drinking water.

Type

Media

Micron

  • Nominal 20

Media

  • Coconut Shell Carbon

$22.00
Part # fc028

A granular carbon filter made with 100% Centaur catalytic carbon for chloramine, chlorine/taste/odor and hydrogen sulfide treatment.

Type

Media

Media

  • Centaur Carbon

$28.00
Part # fc019

Chlorine/taste/odor cartridge for any application where taste/odor improvement is needed.

Type

Media

Media

  • Activated Carbon

$11.00
Part # fc021

A well water cartridge for iron and hydrogen sulfide reduction.

Type

Media

Media

  • Centaur Carbon

  • KDF 85

$37.00
Part # fc020

A high quality nitrate reduction cartridge.

Type

Media

Media

  • Anion Resin

$34.00
Part # fc010

Flowmatic Silver Impregnated GAC.

Type

Media

Media

  • Silver Impregnated Carbon

$24.00
Part # fc013

A granular carbon/calcite cartridge for raising pH, as well as chlorine and chemical redution.

Type

Media

Media

  • Activated Carbon

  • Calcite

$21.00
Part # fc022

A calcite cartridge designed to raise pH and TDS of low pH / low mineral water.

Type

Media

Media

  • Calcite

$22.00
Part # fc018

A granular activated carbon / phosphate cartridge for scale prevention and chlorine/chemical reduction.

Type

Media

Media

  • Activated Carbon

  • Poly Phosphate

$39.00
Part # fc012

A water softening cartridge filled with standard cation softener resin. Frequently used for car washing and window cleaning. Works best at low flow rates.

Type

Media

Media

  • Cation Resin

$19.00
Part # fc024

A limited-capacity cartridge designed to remove all mineral content from water.

Type

Media

Media

  • Mixed Bed Resin

$29.00
Part # fc006

A granular cartridge for iron reduction.

Type

Media

Media

  • Birm

$19.00
Part # fc017

A Flowmatic iron oxide cartridge for arsenic reduction.

Type

Media

Media

  • Iron Oxide

$61.00
Part # fc005

A granular Filox cartridge for iron, manganese and hydrogen sulfide removal.

Type

Media

Media

  • Filox

$32.00
Part # fc029

Sediment Cartridges

A very tight surface filter for low sediment applications.

Type

Sediment

Micron

  • Absolute 0.35

$19.00
Part # fc100

A tight depth filter for low sediment applications.

Type

Sediment

Micron

  • Nominal 1

$7.00
Part # fc104

A tight surface filter for low sediment applications.

Type

Sediment

Micron

  • Nominal 1

$13.00
Part # fc102

A tight absolute rated surface filter for low sediment applications.

Type

Sediment

Micron

  • Absolute 1

$21.00
Part # fc101

A tight depth filter for low sediment applications.

Type

Sediment

Micron

  • Nominal 1

$7.00
Part # fc103

A popular surface filter for normal sediment applications.

Type

Sediment

Micron

  • Nominal 5

$9.00
Part # fc106

A popular depth filter for normal sediment applications.

Type

Sediment

Micron

  • Nominal 5

$7.00
Part # fc107

A popular depth filter for normal sediment applications.

Type

Sediment

Micron

  • Nominal 5

$7.00
Part # fc108

A hot water depth filter, for normal sediment applications.

Type

Sediment

Micron

  • Nominal 5

Media

  • String Wound

$9.00
Part # fc105

Depth filter for sediment filtration.

Type

Sediment

Micron

  • Nominal 10

Media

  • String Wound

$7.00
Part # fc109

Ceramic Filter Cartridges

Open-end ceramics for units that use 9.75" cartridges. All are radial style.

Note on Doulton Sizes: All cartridges in this chart will fit standard housings. Standard Doultons are 2" in diameter and "Imperial" Doultons are 2 3/4" in diameter. Imperials in general offer greater filtering surface, thus longer life and freer flow.

A ceramic filter with silver for complete removal of bacteria and other pathogens.

Type

Ceramic

Media

  • Silver Impregnated Ceramic

$39.00
Part # fc704

High efficiency ceramic with a solid carbon block core for long-term chlorine, chemical and bacterial removal.

Type

Ceramic

Media

  • Activated Carbon

  • Silver Impregnated Ceramic

$46.00
Part # fc706

High efficiency ceramic with a solid carbon block core with metals resin added for long-term chlorine, chemical and bacterial removal plus reduction of lead and metals.

Type

Ceramic

Media

  • Activated Carbon

  • Silver Impregnated Ceramic

$49.00
Part # fc705

A ceramic filter with silver for complete removal of bacteria and other pathogens. The famous Doulton Sterasyl in a larger diameter, freer flowing version.

Type

Ceramic

Media

  • Silver Impregnated Ceramic

$47.00
Part # fc707

Large diameter supersterasyl ceramic/silver outer shell for bacterial removal with granular carbon core for chemical reduction and taste/odor improvement.

Type

Ceramic

Media

  • Activated Carbon

  • Silver Impregnated Ceramic

$68.00
Part # fc708

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