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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!

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Well Water, Home String Wound Sediment Water Filter Cartridge 2.5" x 20" - 50 μm
Hydronix

Well Water, Home String Wound Sediment Water Filter Cartridge 2.5" x 20" - 50 μm

SWC-25-2050
in stock
$12.66 - $12.66
$12.66
$12.66 - $12.66
$12.66

The Hydronix SWC-25-2050 polypropylene String wound filters have a particle retention Size of 50 micron and are used in a residential and commercia...

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$12.66 - $12.66
$12.66
$12.66 - $12.66
$12.66
Auto Ship
Well Water, Home String Wound Sediment Water Filter Cartridge 2.5" x 20", 100 μm
Hydronix

Well Water, Home String Wound Sediment Water Filter Cartridge 2.5" x 20", 100 μm

SWC-25-20100
in stock
$12.66 - $12.66
$12.66
$12.66 - $12.66
$12.66

The Hydronix SWC-25-20100 polypropylene String wound filters have a particle retention Size of 100 micron and are used in a residential and commerc...

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$12.66 - $12.66
$12.66
$12.66 - $12.66
$12.66
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Whole House & RO Coconut Activated Carbon Block Water Filter 5 μm 2.5" x 20"
Hydronix

Whole House & RO Coconut Activated Carbon Block Water Filter 5 μm 2.5" x 20"

CB-25-2005
in stock
$18.51 - $18.51
$18.51
$18.51 - $18.51
$18.51

Hydronix CB-25-2005 carbon block filters are NSF/ANSI standard 42 certified for Material and structural Safety. CB-25-2005 filters have a particle ...

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$18.51 - $18.51
$18.51
$18.51 - $18.51
$18.51
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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 Hydroponics Commercial Sediment Water Filter 10" 10 μm
Hydronix

Whole House Hydroponics Commercial Sediment Water Filter 10" 10 μm

SDC-45-1010
in stock
$12.00 - $12.00
$12.00
$12.00 - $12.00
$12.00

Hydronix SDC-45-1010 polypropylene sediment filters have a particle retention Size of 10 micron and is used in a residential and commercial water f...

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$12.00 - $12.00
$12.00
$12.00 - $12.00
$12.00
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Whole House Hydroponics Commercial Sediment Water Filter 10" 20 μm
Hydronix

Whole House Hydroponics Commercial Sediment Water Filter 10" 20 μm

SDC-45-1020
in stock
$12.00 - $12.00
$12.00
$12.00 - $12.00
$12.00

Hydronix SDC-45-1020 polypropylene sediment filters have a particle retention size of 20 micron and is used in a residential and comercial water fi...

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$12.00 - $12.00
$12.00
$12.00 - $12.00
$12.00
Auto Ship
Whole House Hydroponics Commercial Sediment Water Filter 10" 50 μm
Hydronix

Whole House Hydroponics Commercial Sediment Water Filter 10" 50 μm

SDC-45-1050
in stock
$12.00 - $12.00
$12.00
$12.00 - $12.00
$12.00

The Hydronix SDC-45-1050 polypropylene sediment filter is a 50 micron rated filter. Its universal standard size fits any standard Reverse Osmosis, ...

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$12.00 - $12.00
$12.00
$12.00 - $12.00
$12.00
Auto Ship
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 Hydroponics Commercial Sediment Water Filter 10", 5 μm
Hydronix

Whole House Hydroponics Commercial Sediment Water Filter 10", 5 μm

SDC-45-1005
in stock
$12.00 - $12.00
$12.00
$12.00 - $12.00
$12.00

Hydronix SDC-45-1005 polypropylene sediment filters have a particle retention Size of 5 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 Hydroponics Commercial Sediment Water Filter 20" 10 μm
Hydronix

Whole House Hydroponics Commercial Sediment Water Filter 20" 10 μm

SDC-45-2010
in stock
$21.04 - $21.04
$21.04
$21.04 - $21.04
$21.04

Hydronix SDC-45-2010 polypropylene sediment filters have a particle retention Size of 10 micron and is used in a residential and commercial water f...

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$21.04 - $21.04
$21.04
$21.04 - $21.04
$21.04
Auto Ship
Whole House Hydroponics Commercial Sediment Water Filter 20" 20 μm
Hydronix

Whole House Hydroponics Commercial Sediment Water Filter 20" 20 μm

SDC-45-2020
in stock
$21.04 - $21.04
$21.04
$21.04 - $21.04
$21.04

Hydronix SDC-45-2020 polypropylene sediment filters have a particle retention Size of 20 micron and is used in a residential and commercial water f...

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$21.04 - $21.04
$21.04
$21.04 - $21.04
$21.04
Auto Ship
Whole House Hydroponics Commercial Sediment Water Filter 20" 50 μm
Hydronix

Whole House Hydroponics Commercial Sediment Water Filter 20" 50 μm

SDC-45-2050
in stock
$21.04 - $21.04
$21.04
$21.04 - $21.04
$21.04

Hydronix SDC-45-2050 polypropylene sediment filters have a particle retention Size of 50 microns and are used in residential and commercial water f...

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$21.04 - $21.04
$21.04
$21.04 - $21.04
$21.04
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Whole House Hydroponics Commercial Sediment Water Filter 20", 1 μm - IFilters
Hydronix

Whole House Hydroponics Commercial Sediment Water Filter 20", 1 μm

SDC-45-2001
in stock
$22.00 - $22.00
$22.00
$22.00 - $22.00
$22.00

Hydronix SDC-45-2001 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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$22.00 - $22.00
$22.00
$22.00 - $22.00
$22.00
Auto Ship
Whole House Hydroponics Commercial Sediment Water Filter 20", 5 μm
Hydronix

Whole House Hydroponics Commercial Sediment Water Filter 20", 5 μm

SDC-45-2005
in stock
$20.95 - $20.95
$20.95
$20.95 - $20.95
$20.95

Hydronix SDC-45-2005 polypropylene sediment filters have a particle retention size of 5 micron and is used in a residential and comercial water fil...

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$20.95 - $20.95
$20.95
$20.95 - $20.95
$20.95
Auto Ship
Whole House Reverse Osmosis Sediment Water Filter Cartridge 2.5" x 10" - 5 μm - IFilters
Hydronix

Whole House Reverse Osmosis Sediment Water Filter Cartridge 2.5" x 10" - 5 μm

SDC-25-1005
in stock
$7.00 - $7.00
$7.00
$7.00 - $7.00
$7.00

Hydronix SDC-25-1005 polypropylene sediment filters have a particle retention Size of 5 microns and are used in residential and commercial water fi...

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$7.00 - $7.00
$7.00
$7.00 - $7.00
$7.00
Auto Ship
Whole House RO Reverse Osmosis Sediment Water Filter Cartridge 2.5" x 10", 10 μm
Hydronix

Whole House RO Reverse Osmosis Sediment Water Filter Cartridge 2.5" x 10", 10 μm

SDC-25-1010
in stock
$7.00 - $7.00
$7.00
$7.00 - $7.00
$7.00

Hydronix SDC-25-1010 polypropylene sediment filters have a particle retention Size of 10 microns and is used in residential and commercial water fi...

View full details
$7.00 - $7.00
$7.00
$7.00 - $7.00
$7.00
Auto Ship
Whole House RO Reverse Osmosis Sediment Water Filter Cartridge 2.5" x 10", 20 μm
Hydronix

Whole House RO Reverse Osmosis Sediment Water Filter Cartridge 2.5" x 10", 20 μm

SDC-25-1020
in stock
$6.00 - $6.00
$6.00
$6.00 - $6.00
$6.00

Hydronix SDC-25-1020 polypropylene sediment filters have a particle retention size of 20 microns and are used in residential and commercial water f...

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$6.00 - $6.00
$6.00
$6.00 - $6.00
$6.00
Auto Ship
Whole House RO Reverse Osmosis Sediment Water Filter Cartridge 2.5" x 10", 50 μm
Whole House RO Reverse Osmosis Sediment Water Filter Cartridge 2.5" x 10", 50 μm - IFilters
Hydronix

Whole House RO Reverse Osmosis Sediment Water Filter Cartridge 2.5" x 10", 50 μm

SDC-25-1050
in stock
$8.88 - $8.88
$8.88
$8.88 - $8.88
$8.88

The Hydronix SDC-25-1050 polypropylene sediment filter is a 50 micron rated filter. Its universal standard size fits any standard Reverse Osmosis, ...

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$8.88 - $8.88
$8.88
$8.88 - $8.88
$8.88
Auto Ship
Whole House Sediment Pleated Water Filter, Washable & Reusable 2.5" x 20", 50 μm
Hydronix

Whole House Sediment Pleated Water Filter, Washable & Reusable 2.5" x 20", 50 μm

SPC-25-2050
in stock
$12.74 - $12.74
$12.74
$12.74 - $12.74
$12.74

Hydronix SPC series 2.5" x 20" 50 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pleate...

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$12.74 - $12.74
$12.74
$12.74 - $12.74
$12.74
Auto Ship
Whole House Sediment Pleated Water Filter, Washable & Reusable, 2.5" x 10", 1 μm
Hydronix

Whole House Sediment Pleated Water Filter, Washable & Reusable, 2.5" x 10", 1 μm

SPC-25-1001
in stock
$9.00 - $9.00
$9.00
$9.00 - $9.00
$9.00

Hydronix SPC series 2.5" x 10" 1 Micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pleated...

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$9.00 - $9.00
$9.00
$9.00 - $9.00
$9.00
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Whole House Sediment Pleated Water Filter, Washable & Reusable, 2.5" x 10", 5 μm
Hydronix

Whole House Sediment Pleated Water Filter, Washable & Reusable, 2.5" x 10", 5 μm

SPC-25-1005
in stock
$9.00 - $9.00
$9.00
$9.00 - $9.00
$9.00

Hydronix SPC series 2.5" x 10" 5 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pleated...

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$9.00 - $9.00
$9.00
$9.00 - $9.00
$9.00
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Whole House Sediment Pleated Water Filter, Washable & Reusable, 2.5" x 20", 1 μm
Hydronix

Whole House Sediment Pleated Water Filter, Washable & Reusable, 2.5" x 20", 1 μm

SPC-25-2001
in stock
$19.52 - $19.52
$19.52
$19.52 - $19.52
$19.52

Hydronix SPC series 2.5" x 20" 1 Micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pleated...

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$19.52 - $19.52
$19.52
$19.52 - $19.52
$19.52
Auto Ship
Whole House Sediment Pleated Water Filter, Washable & Reusable, 2.5" x 20", 5 μm
Hydronix

Whole House Sediment Pleated Water Filter, Washable & Reusable, 2.5" x 20", 5 μm

SPC-25-2005
in stock
$13.37 - $13.37
$13.37
$13.37 - $13.37
$13.37

Hydronix SPC series 2.5" x 20" 5 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pleated...

View full details
$13.37 - $13.37
$13.37
$13.37 - $13.37
$13.37
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