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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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(3 Pack) Hydronix CB-45-1001/3 Wholehouse Hydroponics Carbon Block Water Filter 1 Micron 4.5" x 10", 3 Pack - IFilters
(3 Pack) Hydronix CB-45-1001/3 – 1 Micron Whole House & Hydroponics Carbon Block Water Filters (4.5" x 10")
Hydronix

(3 Pack) Hydronix CB-45-1001/3 Wholehouse Hydroponics Carbon Block Water Filter 1 Micron 4.5" x 10", 3 Pack

CB-45-1001/3
in stock

$69.00 - $69.00
$69.00
$69.00 - $69.00
$69.00

(3 Pack) Hydronix CB-45-1001/3 – 1 Micron Whole House & Hydroponics Carbon Block Water Filters (4.5" x 10") The Hydronix CB-45-1001/3 is a 3-pa...

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$69.00 - $69.00
$69.00
$69.00 - $69.00
$69.00
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(6 Pack) Hydro Guard HDG-P117/6 Premium GAC Water Filter Cartridge - Interchangeable with AP117
(6 Pack) Hydro Guard HDG-P117/6 Premium GAC Water Filter Cartridge - Interchangeable with AP117
Hydro Guard

(6 Pack) Hydro Guard HDG-P117/6 Premium GAC Water Filter Cartridge - Interchangeable with AP117

HDG-P117/6
in stock

$41.60 - $41.60
$41.60
$41.60 - $41.60
$41.60

(6 Pack) Hydro Guard HDG-P117/6 Premium GAC Water Filter Cartridge – AP117 Compatible Replacement The (6 Pack) Hydro Guard HDG-P117/6 Granular Acti...

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$41.60 - $41.60
$41.60
$41.60 - $41.60
$41.60
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6 PACK - Sediment Pleated Water Filter - Washable & Reusable, 4.5" x 10", 20 μm
6 PACK - Sediment Pleated Water Filter - Washable & Reusable, 4.5" x 10", 20 μm
Hydronix

6 PACK - Sediment Pleated Water Filter - Washable & Reusable, 4.5" x 10", 20 μm

SPC-45-1020/6
in stock

$75.00 - $75.00
$75.00
$75.00 - $75.00
$75.00

Hydronix SPC series 4.5" x 10" 20 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pleate...

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$75.00 - $75.00
$75.00
$75.00 - $75.00
$75.00
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6 Pack, Hydronix SPC-45-1005 Pentek ECP5-BB 5 Micron Whole House Sediment Filter
6 Pack, Hydronix SPC-45-1005 Pentek ECP5-BB 5 Micron Whole House Sediment Filter
Hydronix

6 Pack, Hydronix SPC-45-1005 Pentek ECP5-BB 5 Micron Whole House Sediment Filter

SPC-45-1005/6
in stock

$69.16 - $69.16
$69.16
$69.16 - $69.16
$69.16

Hydronix SPC series 4.5" x 10" 5 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pleated...

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$69.16 - $69.16
$69.16
$69.16 - $69.16
$69.16
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6 PK - R30-BB RS6 FXHSC Compatible Sediment Pleated Water Filter Washable 30 μm
Hydronix

6 PK - R30-BB RS6 FXHSC Compatible Sediment Pleated Water Filter Washable 30 μm

SPC-45-1030/6
in stock

$69.98 - $69.98
$69.98
$69.98 - $69.98
$69.98

Hydronix SPC-45-1030 is the alternatve compatable to the R30-BB and the RSA pleated filters. The SPC-45-1030 4.5" x 10" 30 micron polyester pleated...

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$69.98 - $69.98
$69.98
$69.98 - $69.98
$69.98
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Carbon Infused Replacement Filter For PRO-SCI and PRO-100-E ELITE GEN2 Whole-House Well Water - IFilters
PRO+AQUA

Carbon Infused Replacement Filter For PRO-SCI and PRO-100-E ELITE GEN2 Whole-House Well Water

FC-19-ACB
in stock

$69.95 - $69.95
$69.95
$69.95 - $69.95
$69.95

Ensure your water filtration system continues to deliver exceptional performance with the FC-19-ACB replacement filter. Engineered with Activated C...

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$69.95 - $69.95
$69.95
$69.95 - $69.95
$69.95
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CB5-4510 Whole House Carbon Block Water Filter, 5 Micron 4.5"x10" - IFilters
iFilters

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

CB5-4510
in stock

$29.49 - $29.49
$29.49
$29.49 - $29.49
$29.49

The CB5-4510 carbon block whole house filters is have a particle retention Size of 5 microns. Suitable for Drinking water filtration applications a...

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$29.49 - $29.49
$29.49
$29.49 - $29.49
$29.49
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Coconut Shell CTO, Carbon Block Water Filter Cartridge, 0.5 Micron 2.5 x 20 - IFilters
Coconut Shell CTO, Carbon Block Water Filter Cartridge, 0.5 Micron 2.5 x 20 - IFilters
Hydronix

Coconut Shell CTO, Carbon Block Water Filter Cartridge, 0.5 Micron 2.5 x 20

SMCB-2520
in stock

$23.74 - $23.74
$23.74
$23.74 - $23.74
$23.74

Hydronix SMCB-2520 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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$23.74 - $23.74
$23.74
$23.74 - $23.74
$23.74
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Culligan CW5-BBS Compatible 5-Micron Sediment Cartridge – HD-950 Housing Replacement
Culligan

Culligan CW5-BBS Compatible 5-Micron Sediment Cartridge

CW5-BBS
in stock

$0.00 - $0.00
$0.00
$14.99
$14.99 - $14.99
$14.99

Culligan CW5-BBS Compatible 5-Micron Sediment Cartridge – HD-950 Housing Replacement The Culligan CW5-BBS Compatible 5-Micron Sediment Cartridge is...

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$0.00 - $0.00
$0.00
$14.99
$14.99 - $14.99
$14.99
Everpure ESO 6 3-Stage Blending Cartridge EV9607-10 - IFilters
Pentair

Everpure ESO 6 3-Stage Blending Cartridge EV9607-10

EV960710
Out of stock

$132.00 - $132.00
$132.00
$132.00 - $132.00
$132.00

The Everpure ESO 6 3-Stage Blending Cartridge EV9607-10 is a replacement water filter cartridge with three unique stages that provides softened, bu...

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$132.00 - $132.00
$132.00
$132.00 - $132.00
$132.00
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HSC-40 Series 50 Micron, High Flow Jumbo Pleated Polyester Filter - IFilters
HydroScientific

HSC-40 Series 50 Micron, High Flow Jumbo Pleated Polyester Filter

HSC-40-50
in stock

$91.95 - $91.95
$91.95
$91.95 - $91.95
$91.95

The HydroScientifc™ Jumbo HSC-40-50 Pleated Polyester Filter Cartridges are high flow performance cartridges designed to meet or exceed operational...

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$91.95 - $91.95
$91.95
$91.95 - $91.95
$91.95
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Hydro Guard HDG-CB-8-38 (CB8), Amway E84, A101, E-9225 Compatible Carbon Block Water Filter
Hydro Guard

Hydro Guard HDG-CB-8-38 (CB8), Amway E84, A101, E-9225 Compatible Carbon Block Water Filter

HDG-CB-8-38
in stock

$35.84 - $35.84
$35.84
$35.84 - $35.84
$35.84

Hydro Guard HDG-CB8-38 Carbon Block Water Filter – Compatible with CB8, Amway E84, A101, & E-9225 The Hydro Guard HDG-CB8-38 Carbon Block Water...

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$35.84 - $35.84
$35.84
$35.84 - $35.84
$35.84
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Hydronix 4 Pack CB-45-1005 Whole House, Hydroponics Carbon Block Water Filters CTO 4.5" x 10" - 5 micron - IFilters
Hydronix 4 Pack CB-45-1005 Whole House, Hydroponics Carbon Block Water Filters CTO 4.5" x 10" - 5 micron - IFilters
Hydronix

Hydronix 4 Pack CB-45-1005 Whole House, Hydroponics Carbon Block Water Filters CTO 4.5" x 10" - 5 micron

CB-45-1005/4
in stock

$67.95 - $67.95
$67.95
$67.95 - $67.95
$67.95

4 Pack Hydronix CB-45-1005 Coconut Shell Carbon Block water filter cartridge measures 4.5" x 10" standard. This filters offers a 5 micron nominal f...

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$67.95 - $67.95
$67.95
$67.95 - $67.95
$67.95
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Hydronix CB-45-2005 Whole House, Hydroponics, Commercial Carbon Block Water Filter 4.5" x 20" - 5 μm
Hydronix CB-45-2005 Whole House, Hydroponics, Commercial Carbon Block Water Filter 4.5" x 20" - 5 μm
Hydronix

Hydronix CB-45-2005 Whole House, Hydroponics, Commercial Carbon Block Water Filter 4.5" x 20" - 5 μm

CB-45-2005
in stock

$39.50 - $39.50
$39.50
$39.50 - $39.50
$39.50

Hydronix CB-45-2005 Whole House, Hydroponics, Commercial Carbon Block Water Filter – 4.5" x 20", 5 Micron Superior Water Filtration for Residential...

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$39.50 - $39.50
$39.50
$39.50 - $39.50
$39.50
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HydroScientific™ Bag Filter #3: Precision Filtration for Crisp, 1 Micron Clarity - IFilters
HydroScientific

HydroScientific™ Bag Filter #3: Precision Filtration for Crisp, 1 Micron Clarity

BAG3-1M
in stock

$0.00 - $0.00
$0.00
$8.74
$8.74 - $8.74
$8.74

Experience unparalleled filtration precision with Hydronix Bag Filter #3, meticulously designed for 1-micron applications. This bag filter raises t...

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$0.00 - $0.00
$0.00
$8.74
$8.74 - $8.74
$8.74
Auto Ship
iFilters Sediment Grooved Water Filter Cartridge - 2.5" x 10" - 5 Micron - Interchangeable with AP110 Model - IFilters
iFilters

iFilters Sediment Grooved Water Filter Cartridge - 2.5" x 10" - 5 Micron - Interchangeable with AP110 Model

SG5-2510
in stock

$8.57 - $8.57
$8.57
$8.57 - $8.57
$8.57

The iFilters SG5-2510 measure 2.5" x 9.875" (2.5" x 10" standard) and are made of 100% pure polypropylene material. The iFilters SG5-2510 filters h...

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$8.57 - $8.57
$8.57
$8.57 - $8.57
$8.57
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Inline RO Post Fridge Ice Coconut GAC Water Filter 2000 Gal, 1/4" Quick Connect - IFilters
Hydronix

Inline RO Post Fridge Ice Coconut GAC Water Filter 2000 Gal, 1/4" Quick Connect

ICF-10Q
in stock

$11.00 - $11.00
$11.00
$11.00 - $11.00
$11.00

This Hydronix ICF-10Q inline coconut filter has 1/4" quick-connect connections and is suitable for drinking water filtration applications. This NSF...

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$11.00 - $11.00
$11.00
$11.00 - $11.00
$11.00
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Inline RO Post Fridge Ice Coconut GAC Water Filter 2000 Gal, 3/8" Quick Connect
Hydronix

Inline RO Post Fridge Ice Coconut GAC Water Filter 2000 Gal, 3/8" Quick Connect

ICF-10Q38
in stock

$11.00 - $11.00
$11.00
$11.00 - $11.00
$11.00

Hydronix ICF-10Q38 inline coconut shell carbon filters have 3/8" quick-connect connections, and are suitable for drinking water filtration applicat...

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$11.00 - $11.00
$11.00
$11.00 - $11.00
$11.00
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Reverse Osmosis Replacement Filter Set RO Cartridges 5 pcs, 100 GPD Membrane, QC - IFilters
Reverse Osmosis Replacement Filter Set RO Cartridges 5 pcs, 100 GPD Membrane, QC - IFilters
Smart Pack

Reverse Osmosis Replacement Filter Set RO Cartridges 5 pcs, 100 GPD Membrane, QC

RO-100KITQ
in stock

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

5 Stage NSF Reverse Osmosis RO Replacement Water Filter Set with 100 GPD Membrane. For any standard RO system. Sediment, UDF, CTO, Membrane & G...

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$49.99 - $49.99
$49.99
$49.99 - $49.99
$49.99
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Sediment Water Filter for Whole House, RO, Hydroponics, Commercial - 20", 50 μm
Hydronix

Sediment Water Filter for Whole House, RO, Hydroponics, Commercial - 20", 50 μm

SDC-25-2050
in stock

$8.24 - $8.24
$8.24
$8.24 - $8.24
$8.24

Hydronix SDC-25-2050 polypropylene sediment filters have a particle retention Size of 50 micron and is used in a residential and commercial water f...

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$8.24 - $8.24
$8.24
$8.24 - $8.24
$8.24
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Shower Filter Replacement Cartridge, Dechlorinating & pH Balancing, 4 Stages - IFilters
iFilters

Shower Filter Replacement Cartridge, Dechlorinating & pH Balancing, 4 Stages

IF-SF-CR
in stock

$18.32 - $18.32
$18.32
$18.32 - $18.32
$18.32

This OEM iFilters replacement cartridge is used in the iFilters IF-SF-CH and IF-SF-WH shower filters as well as other similar shower filters. This ...

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$18.32 - $18.32
$18.32
$18.32 - $18.32
$18.32
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Whole House Hydroponics Commercial Sediment Water Filter 10", 1 μm
Hydronix

Whole House Hydroponics Commercial Sediment Water Filter 10", 1 μm

SDC-45-1001
in stock

$12.00 - $12.00
$12.00
$12.00 - $12.00
$12.00

Hydronix SDC-45-1001 polypropylene sediment filters have a particle retention Size of 1 Micron and is used in a residential and commercial water fi...

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$12.00 - $12.00
$12.00
$12.00 - $12.00
$12.00
Auto Ship
Whole House Sediment Pleated Water Filter, Washable Reusable, 2.5" x 20", 30 μm - IFilters
Hydronix

Whole House Sediment Pleated Water Filter, Washable Reusable, 2.5" x 20", 30 μm

SPC-25-2030
in stock

$13.00 - $13.00
$13.00
$13.00 - $13.00
$13.00

Hydronix SPC series 2.5" x 20" 30 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pleate...

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$13.00 - $13.00
$13.00
$13.00 - $13.00
$13.00
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