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Shop All Water Filters, Parts & Systems

Fresh, dependable water starts with the right setup, and iFilters makes it easy to find what fits your space. Water Filters, Parts & Systems in this collection cover everyday drinking needs, whole-home protection, and jobsite-ready solutions for commercial and industrial use. Browse by product type, filter size, or compatibility so replacements and upgrades stay simple. Options span sediment, carbon, reverse osmosis, and UV, giving you a clear path from problem to solution. Fast shipping and helpful support keep your project moving.

About iFilters Water Filtration Products

iFilters brings a one-stop catalog together, from complete whole-house filtration systems to specialized drinking water systems for sinks and dispensers. Commercial systems help support higher flow demands, while replacement filters keep performance consistent between service intervals. Parts like housings, fittings, adapters, and power supplies help you maintain, repair, or expand an existing setup without guesswork. Ultraviolet systems add an extra layer for applications that benefit from UV treatment. Tools and specialty systems round out the collection for unique installs, seasonal needs, and niche use cases.

Why Choose iFilters for Water Filtration Gear?

Confidence comes from selection, and this store is built around breadth and compatibility across many brands and applications. Auto Ship subscriptions make routine replacements easier, while discounts help reduce long-term ownership costs. Expert support is available when you need help choosing the right part, matching a cartridge, or planning a system refresh. Free shipping starts at qualifying order thresholds, and a satisfaction guarantee adds peace of mind at checkout.

Shop water filtration systems and parts online today!

Filters

Hydronix SWC-25-4050 String Wound Sediment Water Filter Cartridge 50 μm 2.5 x 40
Hydronix

Hydronix SWC-25-4050 String Wound Sediment Water Filter Cartridge 50 μm 2.5 x 40

SWC-25-4050
in stock
$22.82 - $22.82
$22.82
$22.82 - $22.82
$22.82

The Hydronix SWC-25-4050 polypropylene String wound filters have a particle retention Size of 50 micron and are used in a residential and commercia...

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$22.82 - $22.82
$22.82
$22.82 - $22.82
$22.82
Whole House, Well Sediment String Wound Water Filter 1 Micron 10"
Hydronix

Whole House, Well Sediment String Wound Water Filter 1 Micron 10"

SWC-45-1001
in stock
$17.73 - $17.73
$17.73
$17.73 - $17.73
$17.73

The Hydronix SWC-45-1001 polypropylene String wound filters have a particle retention Size of 1 Micron and are used in a residential and commercial...

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$17.73 - $17.73
$17.73
$17.73 - $17.73
$17.73
Whole House, Well Sediment String Wound Water Filter 5 micron 10"
Hydronix

Whole House, Well Sediment String Wound Water Filter 5 micron 10"

SWC-45-1005
in stock

$17.50 - $17.50
$17.50
$17.50 - $17.50
$17.50

The Hydronix SWC-45-1005 polypropylene String wound filters have a particle retention Size of 5 micron and are used in a residential and commercial...

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$17.50 - $17.50
$17.50
$17.50 - $17.50
$17.50
Whole House, Well Sediment String Wound Water Filter 10 micron 10"
Hydronix

Whole House, Well Sediment String Wound Water Filter 10 micron 10"

SWC-45-1010
in stock
$17.95 - $17.95
$17.95
$17.95 - $17.95
$17.95

The Hydronix SWC-45-1010 polypropylene String wound filters have a particle retention Size of 10 micron and are used in a residential and commercia...

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$17.95 - $17.95
$17.95
$17.95 - $17.95
$17.95
Whole House Well Sediment String Wound Water Filter 100 micron 10"
Hydronix

Whole House Well Sediment String Wound Water Filter 100 micron 10"

SWC-45-10100
in stock
$17.57 - $17.57
$17.57
$17.57 - $17.57
$17.57

The Hydronix SWC-45-10100 polypropylene String wound filters have a particle retention Size of 100 micron and are used in a residential and commerc...

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$17.57 - $17.57
$17.57
$17.57 - $17.57
$17.57
Whole House, Well Sediment String Wound Water Filter 20 micron 10"
Hydronix

Whole House, Well Sediment String Wound Water Filter 20 micron 10"

SWC-45-1020
in stock
$17.95 - $17.95
$17.95
$17.95 - $17.95
$17.95

The Hydronix SWC-45-1020 polypropylene String wound filters have a particle retention Size of 20 micron and are used in a residential and commercia...

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$17.95 - $17.95
$17.95
$17.95 - $17.95
$17.95
Whole House Sediment String Wound Water Filter Cartridge 4.5" x 10" - 30 Micron
Hydronix

Whole House Sediment String Wound Water Filter Cartridge 4.5" x 10" - 30 Micron

SWC-45-1030
in stock
$17.50 - $17.50
$17.50
$17.50 - $17.50
$17.50

The Hydronix SWC-45-1030 polypropylene String wound filters have a particle retention Size of 30 micron and are used in a residential and commercia...

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$17.50 - $17.50
$17.50
$17.50 - $17.50
$17.50
Well Water Whole House Sediment String Wound Water Filter 4.5" x 10" - 50 micron
Hydronix

Well Water Whole House Sediment String Wound Water Filter 4.5" x 10" - 50 micron

SWC-45-1050
in stock
$18.75 - $18.75
$18.75
$18.75 - $18.75
$18.75

The Hydronix SWC-45-1050 polypropylene String wound filters have a particle retention Size of 50 micron and are used in a residential and commercia...

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$18.75 - $18.75
$18.75
$18.75 - $18.75
$18.75
Sediment String Wound Water Filter Whole House Commercial BB Size 4.5 x 20, 1 μm
Hydronix

Sediment String Wound Water Filter Whole House Commercial BB Size 4.5 x 20, 1 μm

SWC-45-2001
in stock
$28.00 - $28.00
$28.00
$28.00 - $28.00
$28.00

The Hydronix SWC-45-2001 polypropylene String wound filters have a particle retention Size of 1 Micron and are used in a residential and commercial...

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$28.00 - $28.00
$28.00
$28.00 - $28.00
$28.00
Sediment String Wound Water Filter Whole House Commercial BB Size 4.5 x 20, 5 μm
Hydronix

Sediment String Wound Water Filter Whole House Commercial BB Size 4.5 x 20, 5 μm

SWC-45-2005
in stock
$28.00 - $28.00
$28.00
$28.00 - $28.00
$28.00

The Hydronix SWC-45-2005 polypropylene String wound filters have a particle retention Size of 5 micron and are used in a residential and commercial...

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$28.00 - $28.00
$28.00
$28.00 - $28.00
$28.00
Sediment String Wound Water Filter Whole House Commercial BB 4.5" x 20", 100 μm
Hydronix

Sediment String Wound Water Filter Whole House Commercial BB 4.5" x 20", 100 μm

SWC-45-20100
in stock
$28.00 - $28.00
$28.00
$28.00 - $28.00
$28.00

The Hydronix SWC-45-20100 polypropylene String wound filters have a particle retention Size of 100 micron and are used in a residential and commerc...

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$28.00 - $28.00
$28.00
$28.00 - $28.00
$28.00
String Wound Water Filter Whole House Well Commercial BB Size 4.5" x 20", 20 μm
Hydronix

String Wound Water Filter Whole House Well Commercial BB Size 4.5" x 20", 20 μm

SWC-45-2020
in stock
$28.00 - $28.00
$28.00
$28.00 - $28.00
$28.00

The Hydronix SWC-45-2020 polypropylene String wound filters have a particle retention Size of 20 micron and are used in a residential and commercia...

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$28.00 - $28.00
$28.00
$28.00 - $28.00
$28.00
String Wound Water Filter Whole House Well Commercial BB Size 4.5" x 20" - 30 μm
Hydronix

String Wound Water Filter Whole House Well Commercial BB Size 4.5" x 20" - 30 μm

SWC-45-2030
in stock
$28.00 - $28.00
$28.00
$28.00 - $28.00
$28.00

The Hydronix SWC-45-2030 polypropylene String wound filters have a particle retention Size of 30 micron and are used in a residential and commercia...

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$28.00 - $28.00
$28.00
$28.00 - $28.00
$28.00
String Wound Water Filter Whole House Well Commercial BB Size 4.5" x 20" - 50 μm
Hydronix

String Wound Water Filter Whole House Well Commercial BB Size 4.5" x 20" - 50 μm

SWC-45-2050
in stock
$28.00 - $28.00
$28.00
$28.00 - $28.00
$28.00

The Hydronix SWC-45-2050 polypropylene String wound filters have a particle retention Size of 50 micron and are used in a residential and commercia...

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$28.00 - $28.00
$28.00
$28.00 - $28.00
$28.00
Hydron - TW-2012-100 - Membrane
Hydron

Hydron - TW-2012-100 - Reverse Osmosis Membrane 100 GPD Reverse Osmosis DI RO Membrane Replacement Filter, Fits Standard Systems

TW-2012-100
in stock

$29.00 - $29.00
$29.00
$29.00 - $29.00
$29.00

The Hydron TW-2012-100 Reverse Osmosis membrane produces 100 gallons per day and is designed for home drinking water, DI systems, office and certai...

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$29.00 - $29.00
$29.00
$29.00 - $29.00
$29.00
Hydron TW-1812-75 TFC DI Reverse Osmosis Membrane 75 GPD, Fits Standard RO Unit - IFilters
Hydron TW-1812-75 TFC DI Reverse Osmosis Membrane 75 GPD, Fits Standard RO Unit - IFilters
Hydron

Hydron TW-1812-75 TFC DI Reverse Osmosis Membrane 75 GPD, Fits Standard RO Unit

TW-1812-75D
in stock

$19.43 - $19.43
$19.43
$19.43 - $19.43
$19.43

The Hydron TW-1812-75 Reverse Osmosis membrane produces 75 gallon per day and is designed for home drinking water, DI systems, office and certain L...

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$19.43 - $19.43
$19.43
$19.43 - $19.43
$19.43
Coconut Shell GAC Water Filter RO Undersink Countertop Drinking Systems 2.5 x 10
Hydronix

Coconut Shell GAC Water Filter RO Undersink Countertop Drinking Systems 2.5 x 10

UDF-10
in stock
$8.12 - $8.12
$8.12
$8.12 - $8.12
$8.12

The Hydronix UDF-10 granular activated carbon (GAC) cartridges are the best choice for your higher flow, taste, odder and chlorine reduction needs....

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$8.12 - $8.12
$8.12
$8.12 - $8.12
$8.12
Hydronix UDF-10BP Coconut Shell GAC Water Filter for Whole House Commercial or Industrial 4.5" x 10"
Hydronix

Hydronix UDF-10BP Coconut Shell GAC Water Filter for Whole House Commercial or Industrial 4.5" x 10"

UDF-10BP
in stock
$22.00 - $22.00
$22.00
$22.00 - $22.00
$22.00

The Hydronix UDF-10BP granular activated carbon (GAC) cartridges are the best choice for your higher flow, taste, odder and chlorine reduction need...

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$22.00 - $22.00
$22.00
$22.00 - $22.00
$22.00
Softening Filter Cartridge w/ High Quality NSF Certified Cation Resin 2.5" x 10"
Hydronix

Softening Filter Cartridge w/ High Quality NSF Certified Cation Resin 2.5" x 10"

UDF-20C200E
in stock
$32.95 - $32.95
$32.95
$32.95 - $32.95
$32.95

The Hydronix UDF-20C200E Resin Water Softening cartridges are the best choice for your higher flow, water softening needs. Made with NSF certified ...

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$32.95 - $32.95
$32.95
$32.95 - $32.95
$32.95
Chlorine CTO Heavy Metals Scale Reduction Water Filter .5 lb KDF 2.5x10 - IFilters
Hydronix

Chlorine CTO Heavy Metals Scale Reduction Water Filter .5 lb KDF 2.5x10

UDF-10KDF.5
in stock
$15.35 - $15.35
$15.35
$15.35 - $15.35
$15.35

The Hydronix UDF-10KDF.5 is a 2.5" x 10" KDF replacement with 0.5 lbs of KDF media. For use in many water filter systems, especially whole-house fi...

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$15.35 - $15.35
$15.35
$15.35 - $15.35
$15.35
Chlorine CTO Heavy Metals Scale Reduction Water Filter 1 lb KDF 2.5x10 - IFilters
Hydronix

Chlorine CTO Heavy Metals Scale Reduction Water Filter 1 lb KDF 2.5x10

UDF-10KDF1
in stock
$27.48 - $27.48
$27.48
$27.48 - $27.48
$27.48

The Hydronix UDF-10KDF1 is a 2.5" x 10" KDF replacement with 1 lbs of KDF media. For use in many water filter systems, especially whole house filte...

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$27.48 - $27.48
$27.48
$27.48 - $27.48
$27.48
Chlorine CTO Heavy Metals Scale Reduction Water Filter 2 lb KDF 2.5x 10 - IFilters
Hydronix

Chlorine CTO Heavy Metals Scale Reduction Water Filter 2 lb KDF 2.5x 10

UDF-10KDF2
in stock
$43.66 - $43.66
$43.66
$43.66 - $43.66
$43.66

The Hydronix UDF-10KDF2 is a 2.5" x 10" KDF replacement with 2 lbs of KDF media. For use in many water filter systems, especially whole house filte...

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$43.66 - $43.66
$43.66
$43.66 - $43.66
$43.66
Dual Stage Sediment Pre filter w/ GAC Coconut Granular Activated Carbon 2.5 x 10
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
Coconut Shell GAC Water Filter Whole House Commercial or Industrial - 2.5" x 20"
Hydronix

Coconut Shell GAC Water Filter Whole House Commercial or Industrial - 2.5" x 20"

UDF-20
in stock
$19.82 - $19.82
$19.82
$19.82 - $19.82
$19.82

The Hydronix UDF-20 granular activated carbon (GAC) cartridges are the best choice for your higher flow, taste, odder and chlorine reduction needs....

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$19.82 - $19.82
$19.82
$19.82 - $19.82
$19.82
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