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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!

Original price $280.00 - Original price $280.00
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$280.00
$280.00 - $280.00
Current price $280.00

Hydron HLE-4040 Commercial Reverse Osmosis Membrane elements produce 2800 gallons per day with 98.0% rejection. Designed for commercial use. The HL...

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Original price $280.00 - Original price $280.00
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$280.00
$280.00 - $280.00
Current price $280.00
Original price $19.99 - Original price $19.99
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$19.99
$19.99 - $19.99
Current price $19.99

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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Original price $19.99 - Original price $19.99
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$19.99
$19.99 - $19.99
Current price $19.99
Original price $19.00 - Original price $19.00
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$19.00
$19.00 - $19.00
Current price $19.00

Hydronix ICF-10 inline coconut shell carbon filters have 1/4" npt connections and are suitable for drinking water filtration applications. The coco...

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Original price $19.00 - Original price $19.00
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$19.00
$19.00 - $19.00
Current price $19.00
Original price $105.95 - Original price $105.95
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$105.95
$105.95 - $105.95
Current price $105.95

Hydron HLP-2521 Light Commercial Reverse Osmosis Membrane elements produce 300 gallons per day with 99.0% rejection and a minimum rejection rate of...

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Original price $105.95 - Original price $105.95
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$105.95
$105.95 - $105.95
Current price $105.95
Original price $18.61 - Original price $18.61
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$18.61
$18.61 - $18.61
Current price $18.61

The 3M Aquapure Compatible Fit Hot Water Filter / Cold Water Filter (AP2005-2, SGC-25-2005) is a Compatible Fit replacement water filter cartridge ...

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Original price $18.61 - Original price $18.61
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$18.61
$18.61 - $18.61
Current price $18.61
Original price $29.74 - Original price $29.74
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$29.74
$29.74 - $29.74
Current price $29.74

The Hydronix CB-25-1001 NSF Certified Carbon Block water filter is manufactured with high purity coconut shell carbon and is available in a wide ra...

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Original price $29.74 - Original price $29.74
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$29.74
$29.74 - $29.74
Current price $29.74
Original price $34.99 - Original price $34.99
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$34.99
$34.99 - $34.99
Current price $34.99

4 Pack - Hydronix Carbon Block Filters are manufactured with high purity coconut shell carbon. These Coconut Carbon Block filters provide an excell...

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Original price $34.99 - Original price $34.99
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$34.99
$34.99 - $34.99
Current price $34.99
Original price $25.98 - Original price $25.98
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$25.98
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Current price $25.98

Hydronix SDC-25-2005 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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Original price $25.98 - Original price $25.98
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$25.98
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Original price $43.99 - Original price $43.99
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$43.99
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Current price $43.99

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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Original price $43.99 - Original price $43.99
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$43.99
$43.99 - $43.99
Current price $43.99
Original price $29.99 - Original price $29.99
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$29.99
$29.99 - $29.99
Current price $29.99

These 5 micron Polyester Pleated Cartridges are manufactured from durable polyester to provide you with a superior pleated cartridge that is durabl...

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Original price $29.99 - Original price $29.99
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$29.99
$29.99 - $29.99
Current price $29.99
Original price $29.00 - Original price $29.00
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$29.00
$29.00 - $29.00
Current price $29.00

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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Original price $29.00 - Original price $29.00
Original price
$29.00
$29.00 - $29.00
Current price $29.00
Original price $30.25 - Original price $30.25
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$30.25
$30.25 - $30.25
Current price $30.25

Hydronix ICF-10 inline coconut shell carbon filters have 1/4" npt connections and are suitable for drinking water filtration applications. The coco...

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Original price $30.25 - Original price $30.25
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$30.25
$30.25 - $30.25
Current price $30.25
Original price $23.75 - Original price $23.75
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$23.75
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Current price $23.75

4 pcs RO Reverse Osmosis pre filters. All filters are Premium NSF Certified. This set is used as a mid year replacement set (depending on water usa...

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Original price $23.75 - Original price $23.75
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$23.75
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Current price $23.75
Original price $54.50 - Original price $54.50
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$54.50
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Current price $54.50

1 - 2 Year (14 filters) supply of RO Reverse Osmosis Filters. All filters are Premium NSF Certified Hydronix. This universal set s compatible with ...

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Original price $54.50 - Original price $54.50
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$54.50
$54.50 - $54.50
Current price $54.50
Original price $74.00 - Original price $74.00
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$74.00
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Current price $74.00

3 - 4 Year (21 filters) supply of RO Reverse Osmosis Filters. All filters are Premium NSF Certified Hydronix. This universal set s compatible with ...

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Original price $74.00 - Original price $74.00
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$74.00
$74.00 - $74.00
Current price $74.00
Original price $75.00 - Original price $75.00
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$75.00
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Current price $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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Original price $75.00 - Original price $75.00
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$75.00
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Original price $69.16 - Original price $69.16
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$69.16
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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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Original price $69.16 - Original price $69.16
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$69.16
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Current price $69.16
Original price $69.98 - Original price $69.98
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$69.98
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Current price $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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Original price $69.98 - Original price $69.98
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$69.98
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Current price $69.98
Original price $124.10 - Original price $124.10
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$124.10
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Current price $124.10

The Hydronix SPC-45-2020 4.5" x 20" 20 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior p...

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Original price $124.10 - Original price $124.10
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$124.10
$124.10 - $124.10
Current price $124.10
Original price $40.99 - Original price $40.99
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$40.99
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Current price $40.99

Convert any standard water filtration unit into an Alkaline Drinking Water System with the PRO+AQUA FC-10-ALK Multi-Stage Alkaline Drinking Water F...

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Original price $40.99 - Original price $40.99
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$40.99
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Current price $40.99
Original price $40.42 - Original price $40.42
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Current price $40.42

Increase the pH of your filtered water and add healthy minerals back into your body. Remineralize your water by installing this easy-to-install Inl...

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Original price $40.42 - Original price $40.42
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Original price $14.65 - Original price $14.65
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$14.65
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Current price $14.65

Aqua-Pure AP110-3 Compatible 30" Whole House Filter Cartridge – 5 Micron The Aqua-Pure AP110-3 Compatible Whole House Filter Cartridge is a high-pe...

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Original price $14.65 - Original price $14.65
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$14.65
$14.65 - $14.65
Current price $14.65
Original price $14.99 - Original price $14.99
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$14.99
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Current price $14.99

The Aqua-Pure AP124 Compatible IF2-SGC-25-1050 2 Pack Whole House Heavy / Course Sediment Removal Filter Cartridges reduces dirt, rust and sand sed...

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Original price $14.99 - Original price $14.99
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$14.99
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Current price $14.99
Original price $155.00 - Original price $155.00
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$155.00
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Current price $155.00

Aquatrol CAT100E Cation Resin – 1 Cu. Ft. Premium Water Softening Cation Resin (NSF) The Aquatrol CAT100E Cation Resin is a high-purity, premium-gr...

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Original price $155.00 - Original price $155.00
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$155.00
$155.00 - $155.00
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