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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DI, Reverse Osmosis, Whole House Sediment Water Filter 2.5" X 10", 1 μm 80 Pack

Hydronix

DI, Reverse Osmosis, Whole House Sediment Water Filter 2.5" X 10", 1 μm 80 Pack

SDC-25-1001/80

in stock

$179.00 - $179.00

$179.00

$179.00 - $179.00

$179.00

The Hydronix SDC-25-1001 polypropylene sediment filter is a 1 Micron rated filter. Its universal standard size fits any standard Reverse Osmosis, W...

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$179.00 - $179.00

$179.00

$179.00 - $179.00

$179.00

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Hydronix

DI, Reverse Osmosis, Whole House Sediment Water Filter 2.5" X 10", 5 μm 40 Pack

SDC-25-1005/40

in stock

$137.95 - $137.95

$137.95

$137.95 - $137.95

$137.95

This 40 pack of Hydronix SDC-25-1005 polypropylene sediment filter is a 5 micron rated filter. Its universal standard size fits any standard Revers...

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$137.95 - $137.95

$137.95

$137.95 - $137.95

$137.95

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Hydronix

DI, Reverse Osmosis, Whole House Sediment Water Filter 2.5" X 10", 5 μm 80 Pack

SDC-25-1005/80

in stock

$275.00 - $275.00

$275.00

$275.00 - $275.00

$275.00

This 80 pack of Hydronix SDC-25-1005 polypropylene sediment filter is a 5 micron rated filter. Its universal standard size fits any standard Revers...

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$275.00 - $275.00

$275.00

$275.00 - $275.00

$275.00

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Hydronix

DI, Reverse Osmosis, Whole House Sediment Water Filter 2.5" X 10", 5 μm, 20 Pack

SDC-25-1005/20

in stock

$70.00 - $70.00

$70.00

$70.00 - $70.00

$70.00

This 20 pack of Hydronix SDC-25-1005 polypropylene sediment filter is a 5 micron rated filter. Its universal standard size fits any standard Revers...

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$70.00 - $70.00

$70.00

$70.00 - $70.00

$70.00

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iFilters

Drinking Water Replacement Filter Set for 3 stage Filtration Systems

IFD-U3PK

in stock

$38.99 - $38.99

$38.99

$38.99 - $38.99

$38.99

The IFD-U3PK combines Sediment filtration with GAC and KDF to filter and reduce heavy metals as well as chlorine, taste, and odor found in city and...

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$38.99 - $38.99

$38.99

$38.99 - $38.99

$38.99

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iFilters

Drinking Water Replacement Filter Set for 3 stage UV Filtration Systems

IFD-U2PK-UV

in stock

$54.99 - $54.99

$54.99

$54.99 - $54.99

$54.99

The IFD-U2PK-UV is the correct OEM replacement set for the iFilters U200UV Under-sink Drinking Water Filtration Systems. The IFD-U2PK-UV combines d...

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$54.99 - $54.99

$54.99

$54.99 - $54.99

$54.99

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iFilters

Drinking Water Replacement Filter Set for 4 stage UV Filtration Systems

IFD-U3PK-UV

in stock

$44.18 - $44.18

$44.18

$44.18 - $44.18

$44.18

The IFD-U3PK-UV is the correct OEM replacement set for the iFilters U300UV Under-sink Drinking Water Filtration Systems. The IFD-U3PK-UV combines S...

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$44.18 - $44.18

$44.18

$44.18 - $44.18

$44.18

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Hydronix

Dual Purpose Radial Flow Cartridge Sediment & Carbon, RFC-20 RFC20 comparable

SDP-2520

in stock

$21.02 - $21.02

$21.02

$21.02 - $21.02

$21.02

The Hydronix SDP-2520 radial flow carbon Filter are 20 inch x 2.5 inch dual purpose filters. They filter down to 25 microns and are perfect for com...

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$21.02 - $21.02

$21.02

$21.02 - $21.02

$21.02

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Hydronix

Dual Purpose Radial Flow Cartridge Sediment & Carbon, RFC-93 RFC93 comparable

SDP-2510

in stock

$17.00 - $17.00

$17.00

$17.00 - $17.00

$17.00

The Hydronix SDP-2510 radial flow carbon Filter are 10 inch x 2.5 inch dual purpose filters. They filter down to 25 microns and are perfect for com...

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$17.00 - $17.00

$17.00

$17.00 - $17.00

$17.00

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Hydronix

Dual Stage Sediment Pre filter w/ GAC Coconut Granular Activated Carbon 2.5 x 10

UDF-10PF

in stock

$6.40 - $6.40

$6.40

$6.40 - $6.40

$6.40

The Hydronix UDF-10PF is a dual two stage filter in one. The first stage filters sediment, dirst, sand and other particles down to the 5 micron lev...

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$6.40 - $6.40

$6.40

$6.40 - $6.40

$6.40

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Hydronix

EC-2505W Hydronix Empty Cartridge, 2.5" OD X 5" L WHITE

EC-2505W

in stock

$6.66 - $6.66

$6.66

$6.66 - $6.66

$6.66

This Hydronix Empty Cartridge is designed for compatibility with various filtration systems, providing a reliable and reusable solution for your fi...

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$6.66 - $6.66

$6.66

$6.66 - $6.66

$6.66

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Smart Pack

FXWSC Compatible Universal Whole House Sediment String Wound Water Filter, 10 μm

IF2-SWC-25-1010

in stock

$18.41 - $18.41

$18.41

$18.41 - $18.41

$18.41

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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$18.41 - $18.41

$18.41

$18.41 - $18.41

$18.41

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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

Hydro Guard HDG-CB-AC10 Carbon Block Pre-Filter for AC30 AC15 Systems - 4 Pack

HDG-CBAC10/4

in stock

$40.95 - $40.95

$40.95

$40.95 - $40.95

$40.95

Hydro Guard HDG-CB-AC10 Carbon Block Pre-Filter – 4-Pack for AC30 & AC15 Systems Ensure cleaner, fresher water with the Hydro Guard HDG-CB-AC10...

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$40.95 - $40.95

$40.95

$40.95 - $40.95

$40.95

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Hydron

Hydro Guard HDG-45 (Drop In) Reverse Osmosis Membrane

HDG-TW50

in stock

$55.00 - $55.00

$55.00

$55.00 - $55.00

$55.00

Genuine OEM Hydro Guard HDG-TW50 Drop In Reverse Osmosis Membrane for 4 Stage HDG-45 Drop-In Style Reverse Osmosis System. Not Compatible with the ...

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$55.00 - $55.00

$55.00

$55.00 - $55.00

$55.00

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Hydro Guard

Hydro Guard HDG-45-SET (Drop In) Reverse Osmosis Filter Replacement Set

HDG-45-SET

in stock

$78.00 - $78.00

$78.00

$78.00 - $78.00

$78.00

OEM Replacement Water Filter Cartridge Set for Hydro Guard HDG-45-SET 4-Stage Drop-In Reverse Osmosis System Keep your water filtration system oper...

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$78.00 - $78.00

$78.00

$78.00 - $78.00

$78.00

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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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Hydro Guard

Hydro Guard HDG-CB-AC10 Carbon Block Pre-Filter for AC30 AC15 Systems - 2 Pack

HDG-CB-AC10/2

in stock

$20.84 - $20.84

$20.84

$20.84 - $20.84

$20.84

Hydro Guard HDG-CB-AC10 Carbon Block Pre-Filter – 2-Pack for AC30 & AC15 Systems Upgrade your water filtration system with the Hydro Guard HDG-...

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$20.84 - $20.84

$20.84

$20.84 - $20.84

$20.84

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Hydro Guard

Hydro Guard HDG-CB-AC10 Compatible with AC30 AC15 Systems Carbon Block Water Filter

HDG-CB-AC10

in stock

$7.95 - $7.95

$7.95

$7.95 - $7.95

$7.95

Hydro Guard HDG-CB-AC10 Carbon Block Water Filter – Compatible with Culligan AC30 & AC15 Systems The Hydro Guard HDG-CB-AC10 Carbon Block Water...

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$7.95 - $7.95

$7.95

$7.95 - $7.95

$7.95

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Hydro Guard

Hydro Guard HDG-CB6-14 (CB6) Carbon Block Water Filter Replacement Cartridge NSF-certified

HDG-CB6-14

in stock

$35.99 - $35.99

$35.99

$35.99 - $35.99

$35.99

Hydro Guard HDG-CB6-14 Carbon Block Water Filter – CB6 Compatible Replacement Cartridge (NSF) The Hydro Guard HDG-CB6-14 Carbon Block Water Filter ...

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$35.99 - $35.99

$35.99

$35.99 - $35.99

$35.99

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Hydro Guard

Hydro Guard HDG-CB6-38 Carbon Block Water Filter Replacement, 3/8" NPT Port

HDG-CB6-38

in stock

$36.99 - $36.99

$36.99

$36.99 - $36.99

$36.99

Hydro Guard HDG-CB6-38 Carbon Block Water Filter – 0.5 Micron, 3/8" NPT Port The Hydro Guard HDG-CB6-38 Carbon Block Water Filter delivers premium ...

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$36.99 - $36.99

$36.99

$36.99 - $36.99

$36.99

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Hydro Guard

Hydro Guard HDG-P117 Universal GAC Water Filter Cartridge Interchangeable with AP117

HDG-P117

in stock

$12.08 - $12.08

$12.08

$12.08 - $12.08

$12.08

Hydro Guard HDG-P117 Universal GAC Water Filter Cartridge – Compatible with AP117 The Hydro Guard HDG-P117 Granular Activated Carbon (GAC) Water Fi...

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$12.08 - $12.08

$12.08

$12.08 - $12.08

$12.08