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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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(20 Pack) Hydronix SGC-25-1005 - 5 Micron Sediment Filters Replaces Aqua-Pure AP110 WHCF-GD05 FPMBG-5-975
(20 Pack) Hydronix SGC-25-1005 - 5 Micron Sediment Filters Replaces Aqua-Pure AP110 WHCF-GD05 FPMBG-5-975
Hydronix

(20 Pack) Hydronix SGC-25-1005 - 5 Micron Sediment Filters Replaces Aqua-Pure AP110 WHCF-GD05 FPMBG-5-975

SGC-25-1005/20
in stock

$60.00 - $60.00
$60.00
$60.00 - $60.00
$60.00

Grooved Melt Blown Polypropylene Filter Features and Benefits Gradient Density, Multi-Layered, Melt Blown Sediment Filter Cartridge. Larger particl...

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$60.00 - $60.00
$60.00
$60.00 - $60.00
$60.00
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(4 Pack) Hydronix CB-45-2005/4 CTO Whole House Coconut Shell Carbon Block Water Filters 20" x 4.5", 5 micron - IFilters
CB-45-2005 Variations
Hydronix

(4 Pack) Hydronix CB-45-2005/4 CTO Whole House Coconut Shell Carbon Block Water Filters 20" x 4.5", 5 micron

CB-45-2005/4
in stock

$135.95 - $135.95
$135.95
$135.95 - $135.95
$135.95

(4 Pack) Hydronix CB-45-2005/4 Whole House Carbon Block Water Filters – 20" x 4.5", 5 Micron High-Performance Filtration for Residential & Comm...

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$135.95 - $135.95
$135.95
$135.95 - $135.95
$135.95
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2 PK Carbon Block Drinking Water Filter Replacement for Lead Asbestos CTO
Hydronix

2 PK Carbon Block Drinking Water Filter Replacement for Lead Asbestos CTO

SMCB-2510/2
in stock

$23.00 - $23.00
$23.00
$23.00 - $23.00
$23.00

Hydronix SMCB-2510 carbon block filters are NSF/ANSI standard 42 certified for Material and structural Safety. SMCB-2520 filters have a particle re...

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$23.00 - $23.00
$23.00
$23.00 - $23.00
$23.00
Everpure 4FC EV9692-21 High Flow Replacement Filter - IFilters
Pentair

Everpure 4FC EV9692-21 High Flow Replacement Filter

EV969221
Out of stock

$123.30 - $123.30
$123.30
$123.30 - $123.30
$123.30

The 4FC cartridge utilizes Fibredyne II media alongside AgION to improve the taste of you drinking water by reducing the taste and odor of chlorine...

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$123.30 - $123.30
$123.30
$123.30 - $123.30
$123.30
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Hydronix Radial Flow Carbon Filter - 4.5" x 20" Compatible to RFC20-BB - IFilters
Hydronix

Hydronix Radial Flow Carbon Filter - 4.5" x 20" Compatible to RFC20-BB

SDP-4520
in stock

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

Hydronix SDP-4520 Sediment Dual Purpose Radial Flow Carbon Filter is compatible with RFC-20BB filters. It provides a unique design combining all th...

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$49.99 - $49.99
$49.99
$49.99 - $49.99
$49.99
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IF-P117 AP117 Compatible GAC Water Filter 4 Pack - IFilters
iFilters

IF-P117 AP117 Compatible GAC Water Filter 4 Pack

IF-P117/4
in stock

$35.00 - $35.00
$35.00
$35.00 - $35.00
$35.00

4 Pack of the Aqua-Pure AP117 Compatible Premium Carbon IF-P117 GAC Water Filter. Premium GAC Granular Activated Coconut Shell Carbon Removes Chlor...

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$35.00 - $35.00
$35.00
$35.00 - $35.00
$35.00
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iFilters KDF and GAC City or Well Water Whole House Filtration 4.5" x 20" - IFilters
iFilters KDF and GAC City or Well Water Whole House Filtration 4.5" x 20" - IFilters
iFilters

iFilters KDF and GAC City or Well Water Whole House Filtration 4.5" x 20"

KDF2-4520
in stock

$109.99 - $109.99
$109.99
$109.99 - $109.99
$109.99

KDF2-4520 4.5" x 20" Coconut GAC + 2LBS KDF size cartridge. For City or Well Water Whole House or Commercial use. This filter is made from coconut ...

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$109.99 - $109.99
$109.99
$109.99 - $109.99
$109.99
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iFilters SP30-4510 - Sediment Pleated Water Filter City or Well Water, Washable 4.5" x 10", 30 Micron - IFilters
iFilters

iFilters SP30-4510 - Sediment Pleated Water Filter City or Well Water, Washable 4.5" x 10", 30 Micron

SP30-4510
in stock

$19.99 - $19.99
$19.99
$19.99 - $19.99
$19.99

The SP30-4510 4.5" x 10" 30-micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pleated Filt...

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$19.99 - $19.99
$19.99
$19.99 - $19.99
$19.99
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2 Pack Compatible Fit Frescapure 4000 4500 5000 6000 Water Filter Replacement
Smart Pack

Smart Pack Royal Prestige Replacement Filter – 0.5 Micron Coconut Shell Carbon Block Under-Sink Water Filter 2-Pack

RP-CB456505/2
in stock

$99.99 - $99.99
$99.99
$99.99 - $99.99
$99.99

Enjoy cleaner, better-tasting water with the Smart Pack Royal Prestige Carbon Block Replacement Filter 2-Pack. Designed for FrescaPure 4000, 4500, ...

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$99.99 - $99.99
$99.99
$99.99 - $99.99
$99.99
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Softening Resin Filter Cation Ion Exchange 4.5" x 20" Big Blue Size - IFilters
iFilters

Softening Resin Filter Cation Ion Exchange 4.5" x 20" Big Blue Size

CAT-4520
in stock

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

The CAT-4520 softening cation resin filter is used for the reduction of hard water using an ion exchange process. The CAT-4520 water softening filt...

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

Water Softener Resin Media High Quality Replacement Cation Ion Exchange 1/2 CuFt

MED-CAT-025/2
in stock

$74.99 - $74.99
$74.99
$74.99 - $74.99
$74.99

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

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$74.99 - $74.99
$74.99
$74.99 - $74.99
$74.99
Auto Ship
SPC-25-1010 Variations
Hydronix

Whole House Sediment Pleated Water Filter, Washable Reusable, 2.5" x 10" - 10 μm

SPC-25-1010
in stock

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

Hydronix SPC series 2.5" x 10" 10 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
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