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Water Filter & Media Replacements

Clean water depends on timely filter changes. Water Filter & Media Replacements product options make it simple to stay on schedule without the stress of manual reordering. Automatic delivery keeps your system performing as designed while helping reduce buildup from sediment, chlorine, and other common contaminants. Every shipment arrives when you need it, so there is no interruption to your water supply. Pure water becomes part of your routine with zero hassle.

About Water Filter & Media Replacement Products

Our collection includes sediment cartridges, carbon block filters, reverse osmosis sets, and specialty media for whole-house and drinking water systems. Popular options fit standard sizes such as 2.5 by 10-inch and 4.5 by 20-inch housings. Replacement sets are available for multi-stage systems, including combinations that target rust, heavy metals, and chemical impurities. Genuine OEM and compatible alternatives allow flexibility without sacrificing performance. Each product listing includes compatibility details to simplify selection.

Subscription management is straightforward and flexible. Customers can adjust delivery frequency, update products, or pause shipments at any time. AutoShip offers savings on every order and an added discount on the first subscription purchase. This approach removes guesswork and supports steady filtration results.

Why Choose iFilters for Replacement Filter Products?

iFilters focuses on broad compatibility, dependable construction, and convenient service. In stock inventory supports fast fulfillment, and many products feature verified customer reviews. Subscription savings reward long-term maintenance habits while helping control costs. Clear product descriptions reduce confusion during ordering. Dedicated support is available to assist with selection questions.

Shop Water Filter & Media Replacement products online today!

Filters

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iFilters SW-CB5-4520 Whole House Sediment & Carbon Block Water Filter Set – 5 Micron, 4.5" x 20"
iFilters

iFilters SW-CB5-4520 Whole House Sediment & Carbon Block Water Filter, 5 Micron 4.5"x20"

SW-CB5-4520
in stock

$59.99 - $59.99
$59.99
$59.99 - $59.99
$59.99

iFilters SW-CB5-4520 Whole House Sediment & Carbon Block Water Filter Set – 5 Micron, 4.5" x 20" Premium Dual-Stage Whole House Filtration for ...

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$59.99 - $59.99
$59.99
$59.99 - $59.99
$59.99
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Inline Sediment Water Filter, Pre Filtration, 2" x 10", 1/4" Quick Connect Ports - IFilters
Hydronix

Inline Sediment Water Filter, Pre Filtration, 2" x 10", 1/4" Quick Connect Ports

ISF-10Q
in stock

$12.25 - $12.25
$12.25
$12.25 - $12.25
$12.25

Hydronix ISF-10Q inline sediment filters have 1/4" QC connections and are suitable for Drinking water filtration applications. The internal polypro...

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$12.25 - $12.25
$12.25
$12.25 - $12.25
$12.25
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KDF85-20B 20" Iron, Hydrogen Sulfide, Sulfur, and Scale Well Water Filter - IFilters
iFilters

KDF85-20B 20" Iron, Hydrogen Sulfide, Sulfur, and Scale Well Water Filter

KDF85-20B
in stock

$89.99 - $89.99
$89.99
$89.99 - $89.99
$89.99

KDF85-20B 4.5" x 20" Coconut GAC + KDF85 Big Blue size cartridge. For Well Water or City Whole House filtration as well as Commercial use. This fil...

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$89.99 - $89.99
$89.99
$89.99 - $89.99
$89.99
Pentek CRFC20-BB Radial Flow Carbon Filter, 155967 - IFilters
Pentair

Pentek CRFC20-BB Radial Flow Carbon Filter, 155967

CRFC20-BB
Out of stock

$88.20 - $88.20
$88.20
$88.20 - $88.20
$88.20

The Pentek CRFC20-BB Radial Flow Carbon Filter is ideal for chloramine taste & odor reduction in POE (Point-of-Entry) and other high-flow rate ...

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$88.20 - $88.20
$88.20
$88.20 - $88.20
$88.20
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Poly-Ray Pleated 0.2m 20" x 2.5" - IFilters
HydroScientific

Poly-Ray Pleated 0.2m 20" x 2.5"

AR0020EF2A
in stock

$189.77 - $189.77
$189.77
$189.77 - $189.77
$189.77

HydroScientific AR Series Absolute Rated Pleated Filters are Beta 5000 Absolute rated filters. Made from 100% pure Polypropylene. HydroScientific A...

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$189.77 - $189.77
$189.77
$189.77 - $189.77
$189.77
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Polyester Pleated Sediment Water Filter, Washable & Reusable, 2.5" X 10", 50 μm
Hydronix

Polyester Pleated Sediment Water Filter, Washable & Reusable, 2.5" X 10", 50 μm

SPC-25-1050
in stock

$9.00 - $9.00
$9.00
$9.00 - $9.00
$9.00

Hydronix SPC series 2.5" x 10" 50 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pleate...

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$9.00 - $9.00
$9.00
$9.00 - $9.00
$9.00
PRO+AQUA RV Replacement Filter for WS-P-REG-KITV2, Taste, Odor, Sediment, Chlorine - IFilters
PRO+AQUA RV Replacement Filter for WS-P-REG-KITV2, Taste, Odor, Sediment, Chlorine - IFilters
PRO+AQUA

PRO+AQUA RV Replacement Filter for WS-P-REG-KITV2, Taste, Odor, Sediment, Chlorine

FC-9-PF
Out of stock

$15.99 - $15.99
$15.99
$15.99 - $15.99
$15.99

The PRO+AQUA FC-9-PF is a dual two-stage filter in one. The first stage filters sediment, dirt, sand, and other particles down to the 5 micron leve...

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$15.99 - $15.99
$15.99
$15.99 - $15.99
$15.99
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Replacement, GE FXWSC String Wound Sediment Filter Cartridge (2-Pack)
Hydronix

Replacement, GE FXWSC String Wound Sediment Filter Cartridge (2-Pack)

SWC-25-1010/2
in stock

$11.95 - $11.95
$11.95
$11.95 - $11.95
$11.95

Replacement for GE FXWSC Sediment Filter (2-Pack) We are offering an alternative product at a reduced price to the original GE FXWSC sediment filte...

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$11.95 - $11.95
$11.95
$11.95 - $11.95
$11.95
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Reverse Osmosis Replacement Filter Set RO Cartridges 4 stage w/ 75 GPD Membrane - IFilters
Reverse Osmosis Replacement Filter Set RO Cartridges 4 stage w/ 75 GPD Membrane - IFilters
Smart Pack

Reverse Osmosis Replacement Filter Set RO Cartridges 4 stage w/ 75 GPD Membrane

RO-75KIT4
in stock

$37.16 - $37.16
$37.16
$37.16 - $37.16
$37.16

4 Stage NSF Reverse Osmosis RO Replacement Water Filter Set with 75 GPD Membrane. For any standard 4 Stage RO system. Sediment, CTO Carbon Block, M...

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$37.16 - $37.16
$37.16
$37.16 - $37.16
$37.16
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Sediment Depth Water Filter Cartridge NSF Poly Commercial Industrial 40", 5 μm - IFilters
Hydronix

Sediment Depth Water Filter Cartridge NSF Poly Commercial Industrial 40", 5 μm

SBC-25-4005
in stock

$22.96 - $22.96
$22.96
$22.96 - $22.96
$22.96

Hydronix SBC-25-4001 polypropylene sediment bonded depth filters have a particle retention size of 1 Micron and are used in a residential and comme...

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$22.96 - $22.96
$22.96
$22.96 - $22.96
$22.96
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Sediment Depth Water Filter Cartridge Whole House RO Drinking Water 10", 5 μm
Hydronix

Sediment Depth Water Filter Cartridge Whole House RO Drinking Water 10", 5 μm

SBC-25-1005
in stock

$9.58 - $9.58
$9.58
$9.58 - $9.58
$9.58

Hydronix SBC-25-1005 polypropylene sediment bonded depth filters have a particle retention size of 5 microns and are used in residential and commer...

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$9.58 - $9.58
$9.58
$9.58 - $9.58
$9.58
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Sediment Pleated Water Filter City or Well Water, Washable 4.5" x 20", 30 Micron - IFilters
Sediment Pleated Water Filter City or Well Water, Washable 4.5" x 20", 30 Micron - IFilters
iFilters

Sediment Pleated Water Filter City or Well Water, Washable 4.5" x 20", 30 Micron

SP30-4520
in stock

$34.99 - $34.99
$34.99
$34.99 - $34.99
$34.99

The SP30-4520 4.5" x 20" 30-micron polyester pleated cartridges are manufactured from durable polyester to provide a superior pleated Filter that i...

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$34.99 - $34.99
$34.99
$34.99 - $34.99
$34.99
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Sediment Water Filter Polypropylene, 2.5" x 20", 0.5 Micron - IFilters
Hydronix

Sediment Water Filter Polypropylene, 2.5" x 20", 0.5 Micron

SDC-25-20-0.5
in stock

$15.99 - $15.99
$15.99
$15.99 - $15.99
$15.99

Hydronix SDC-25-20-0.5 polypropylene sediment filters have a particle retention Size of 0.5 Microns and is used in a residential and commercial wat...

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$15.99 - $15.99
$15.99
$15.99 - $15.99
$15.99
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Pre & Post Reverse Osmosis Water Filter Replacement Set Fits GE FX12P GXRM10RBL - IFilters
Smart Pack

Smart Pack 1 & 5 Micron Carbon Block Under-Sink Replacement Set | Pre & Post RO Filters

IF2-CB1-DRO
in stock

$24.99 - $24.99
$24.99
$24.99 - $24.99
$24.99

The Smart Pack Pre & Post Carbon Block RO Replacement Set is built to keep your reverse osmosis system doing what it does best: providing clean...

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$24.99 - $24.99
$24.99
$24.99 - $24.99
$24.99
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Smart Pack Water Filters CB8 Carbon Block Water Filter Compatible with Amway E-84, E-85, A101, E-9225
Smart Pack

Smart Pack CB8 Replacement Filter – 0.5 Micron Carbon Block Under‑Sink Water Filter

IF-CB8
in stock

$43.07 - $43.07
$43.07
$43.07 - $43.07
$43.07

Enjoy fresher, cleaner water every day with the Smart Pack CB8 Carbon Block Water Filter, a reliable replacement for Amway E‑84, E‑85, A101, E‑9225...

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$43.07 - $43.07
$43.07
$43.07 - $43.07
$43.07
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SW-CB5-4510 Whole House Sediment & Carbon Block Water Filter, 5 Micron 4.5"x10" - IFilters
iFilters

SW-CB5-4510 Whole House Sediment & Carbon Block Water Filter, 5 Micron 4.5"x10"

SW-CB5-4510
in stock

$41.00 - $41.00
$41.00
$41.00 - $41.00
$41.00

This dual filter set includes the SW5-4510 Sediment String-wound filter and CB5-4510 CTO carbon block whole house filters. Suitable for whole hou...

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$41.00 - $41.00
$41.00
$41.00 - $41.00
$41.00
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iFilters

SW5-4510 Whole House Sediment String Wound Water Filter Cartridge, 5 micron 4.5" x 10"

SW5-4510
in stock

$11.99 - $11.99
$11.99
$11.99 - $11.99
$11.99

The SW5-4510 Polypropylene String Wound Filters has a particle retention Size of 5 micron and are used in a residential and commercial water filtra...

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$11.99 - $11.99
$11.99
$11.99 - $11.99
$11.99
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SW5-4520 String Wound Sediment Water Filter Whole House or Commercial, 4.5 x 20, 5 Micron - IFilters
SW5-4520 String Wound Sediment Water Filter Whole House or Commercial, 4.5 x 20, 5 Micron - IFilters
iFilters

SW5-4520 String Wound Sediment Water Filter Whole House or Commercial, 4.5 x 20, 5 Micron

SW5-4520
in stock

$25.99 - $25.99
$25.99
$25.99 - $25.99
$25.99

The SW5-4520 Polypropylene String Wound Filters has a particle retention Size of 5 micron and are used in a residential and commercial water filt...

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$25.99 - $25.99
$25.99
$25.99 - $25.99
$25.99
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TFM-75-CV Compatible Fit IF-TFM-75EB Reverse Osmosis Membrane - IFilters
iFilters

TFM-75-CV Compatible Fit IF-TFM-75EB Reverse Osmosis Membrane

IF-TFM-75EB
in stock

$49.99 - $49.99
$49.99
$49.99 - $49.99
$49.99

The IF-TFM-75EB is a compatible replacement for the Everpure TFM-75-CV, TFM-75EB Reverse Osmosis Membrane. Features a 1/4 inch Quick Connect fittin...

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$49.99 - $49.99
$49.99
$49.99 - $49.99
$49.99
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iFilters

Water Softener Resin High Quality Replacement Cation 100% Ion Exchange 0.25 CuFt

MED-CAT-025
in stock

$39.99 - $39.99
$39.99
$39.99 - $39.99
$39.99

0.25 Cubic Foot, perfect for portable water softeners needing resin media replacement. 100% compatible replacement for any water softener system us...

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$39.99 - $39.99
$39.99
$39.99 - $39.99
$39.99
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Watts 7-PK RO Filters Premier 500024 Compatible 1 year 5 Stage Replacements
iFilters

Watts Premier Compatible 7-Pack 5-Stage RO Replacement Filters – Sediment & Carbon Block Set, 10″ Cartridges, 1-Year Supply – Compatible with Standard Under-Sink Reverse Osmosis Systems

WATTS7
in stock

$35.94 - $35.94
$35.94
$35.94 - $35.94
$35.94

Your drinking water deserves precision filtration that you can trust. The Watts Premier Compatible 7-Pack 5-Stage RO Replacement Filter Kit provide...

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$35.94 - $35.94
$35.94
$35.94 - $35.94
$35.94
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Whole House Alkaline pH Mineral Replacement Water Filter, 20" - IFilters
iFilters

Whole House Alkaline pH Mineral Replacement Water Filter, 20"

UDF-20BP-ALK
in stock

$255.00 - $255.00
$255.00
$255.00 - $255.00
$255.00

This 4.5" x 20" Alkaline cartridge is used to increase pH and neutralize the acidity of low-mineral water. This alkaline filter will improve the ov...

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$255.00 - $255.00
$255.00
$255.00 - $255.00
$255.00
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Whole House Coconut Shell Carbon GAC Water Filter 4.5 x 20 - IFilters
Hydronix

Whole House Coconut Shell Carbon GAC Water Filter 4.5 x 20

UDF-20BP
in stock

$30.95 - $30.95
$30.95
$30.95 - $30.95
$30.95

The Hydronix UDF-20BP granular activated carbon (GAC) cartridges are the best choice for your higher flow, taste, odder and chlorine reduction need...

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$30.95 - $30.95
$30.95
$30.95 - $30.95
$30.95
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Whole House String Wound Sediment Water Filter Cartridge 2.5" x 10" - 5 μm
Whole House String Wound Sediment Water Filter Cartridge 2.5" x 10" - 5 μm - IFilters
Hydronix

Whole House String Wound Sediment Water Filter Cartridge 2.5" x 10" - 5 μm

SWC-25-1005
in stock

$7.00 - $7.00
$7.00
$7.00 - $7.00
$7.00

Hydronix SWC-25-1005 polypropylene String wound filters have a particle retention Size of 5 micron and are used in a residential and commercial wat...

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$7.00 - $7.00
$7.00
$7.00 - $7.00
$7.00
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