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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

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Hydronix UDF-45PAD - Replacement Pad for 4.5" Empty Filter Cartridges
Hydronix

Hydronix UDF-45PAD Replacement Pad for 4.5" Empty Filter Cartridges

UDF-45PAD
in stock

$3.00 - $3.00
$3.00
$3.00 - $3.00
$3.00

Hydronix UDF-45PAD - Replacement Pad for 4.5" Empty Filter Cartridges Polypropylene Filter Cartridge Pad for 4.5" Refillable Water Filter Cartridge...

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$3.00 - $3.00
$3.00
$3.00 - $3.00
$3.00
Auto Ship
Hydronix CB-25-0505 NSF Coconut Activated Carbon Block Water Filter 5 μm 2.5 x 5
Hydronix

Hydronix CB-25-0505 NSF Coconut Activated Carbon Block Water Filter 5 μm 2.5 x 5

CB-25-0505
in stock

$6.90 - $6.90
$6.90
$6.90 - $6.90
$6.90

The Hydronix CB-25-0505 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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$6.90 - $6.90
$6.90
$6.90 - $6.90
$6.90
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Arsenic & Chlorine Carbon Block Water Filter Cartridge, 5 micron 2.5 x 10 - IFilters
Hydronix

Arsenic & Chlorine Carbon Block Water Filter Cartridge, 5 micron 2.5 x 10

CB-AR-2510
in stock

$27.99 - $27.99
$27.99
$27.99 - $27.99
$27.99

The Hydronix CB-AR-2510 Arsenic filter has a particle retention Size of 5 microns, and are ideal for drinking water filtration applications. The Hy...

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$27.99 - $27.99
$27.99
$27.99 - $27.99
$27.99
Polaris UVA-8C UV Deactivator Home Commercial Drinking Water, 8 GPM - IFilters
Polaris Scientific

Polaris UVA-8C UV Deactivator Home Commercial Drinking Water, 8 GPM

UVA-8C
in stock

$275.00 - $275.00
$275.00
$275.00 - $275.00
$275.00

Polaris UVA-8C Whole House UV Ultraviolet Deactivator System 8 GPM with 9000 Hour Bulb. The perfect addition for home filtration systems needing ad...

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$275.00 - $275.00
$275.00
$275.00 - $275.00
$275.00
3.2 Gallon SS Reverse Osmosis Storage Water Tank, Small Size - White, 1/4" Port
3.2 Gallon SS Reverse Osmosis Storage Water Tank, Small Size - White, 1/4" Port
Hydronix

3.2 Gallon SS Reverse Osmosis Storage Water Tank, Small Size - White, 1/4" Port

RO-122-W14
in stock

$45.95 - $45.95
$45.95
$45.95 - $45.95
$45.95

The PAE RO-122 Reverse Osmosis tanks features a virgin polypropylene liner, high-grade chlorobutyl diaphragm and stainless steel 1/4" MPT water con...

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$45.95 - $45.95
$45.95
$45.95 - $45.95
$45.95
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Culligan 25-Micron Sediment Cartridge CW25-BBS - IFilters
Culligan

Culligan 25-Micron Sediment Cartridge CW25-BBS

CW25-BBS
in stock

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

The Culligan 25-Micron Sediment Cartridge CW25-BBS is a replacement drinking water filter cartridge for use in several Culligan water filter housin...

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$0.00 - $0.00
$0.00
$14.99
$14.99 - $14.99
$14.99
Reverse Osmosis (RO) Tank Ball Valve 3/8" Quick Connect x 1/4" Female NPT - IFilters
Hydrofit

Reverse Osmosis (RO) Tank Ball Valve 3/8" Quick Connect x 1/4" Female NPT

HDF-BVT0604
in stock

$6.38 - $6.38
$6.38
$6.38 - $6.38
$6.38

The HDF-BVT0604 HYDROFIT™ Quick Connect Fittings are designed to provide all the typical benefits and ease of use of a quick connect t fitting whil...

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$6.38 - $6.38
$6.38
$6.38 - $6.38
$6.38
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Sediment Water Filter Polypropylene, 2.5" x 20", 0.5 Micron - IFilters
Hydronix

Sediment Water Filter Polypropylene, 2.5" x 20", 0.5 Micron

SDC-25-20-0.5
in stock

$15.99 - $15.99
$15.99
$15.99 - $15.99
$15.99

Hydronix SDC-25-20-0.5 polypropylene sediment filters have a particle retention Size of 0.5 Microns and is used in a residential and commercial wat...

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$15.99 - $15.99
$15.99
$15.99 - $15.99
$15.99
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Hydro Guard HDG-CB-AC10 Compatible with AC30 AC15 Systems Carbon Block Water Filter
Hydro Guard HDG-CB-AC10 Compatible with AC30 AC15 Systems Carbon Block Water Filter
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
Polaris Scientific GL10SE4P UV Ultraviolet Replacement Lamp, Germicidal Lamp, 10W 4 Pin - IFilters
Polaris Scientific GL10SE4P – 10W UV Ultraviolet Germicidal Replacement Lamp (4-Pin) for UV-1C System
Polaris Scientific

Polaris Scientific GL10SE4P UV Ultraviolet Replacement Lamp, Germicidal Lamp, 10W 4 Pin

GL10SE4P
in stock

$17.48 - $17.48
$17.48
$17.48 - $17.48
$17.48

Polaris Scientific GL10SE4P – 10W UV Ultraviolet Germicidal Replacement Lamp (4-Pin) for UV-1C System The Polaris Scientific GL10SE4P is a high-qua...

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$17.48 - $17.48
$17.48
$17.48 - $17.48
$17.48
Hydronix MRH-720-2 SS304 Stainless Steel Multi-Round Filter Housing
HydroScientific

MRH-720-2 SS304 Filter Housing Stainless Steel Filter Housing

MRH-720-2
in stock

$1,959.02 - $1,959.02
$1,959.02
$1,959.02 - $1,959.02
$1,959.02

HydroScientific MRH-720-2 SS304 Stainless Steel Multi-Round Filter Housing Heavy-Duty 7-Round 20" Filter Housing | 150 PSI | 2" FNPT Ports | 84 GPM...

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$1,959.02 - $1,959.02
$1,959.02
$1,959.02 - $1,959.02
$1,959.02
Reverse Osmosis Membrane Housing For Standard 12" membranes, 1/8" NPT Ports - IFilters
Hydronix

Reverse Osmosis Membrane Housing For Standard 12" membranes, 1/8" NPT Ports

MH03-1812WH
in stock

$13.77 - $13.77
$13.77
$13.77 - $13.77
$13.77

The Hydronix MH03-1812WH Membrane Housings are manufactured with high-quality NSF approved material and will accommodate standard membrane elements...

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$13.77 - $13.77
$13.77
$13.77 - $13.77
$13.77
PRO+AQUA PRO-RO-IV 4000 GPD
PRO+AQUA PRO-RO-IV 4000 GPD Commercial Reverse Osmosis System – Ultra-Pure RO Water for Hydroponics, Breweries & More
PRO+AQUA

PRO+AQUA PRO-RO-IV 4000 GPD Commercial Reverse Osmosis System, Hydroponics, Breweries, Coffee, Teas

PRO-RO-IV
In stock

$4,459.95 - $4,459.95
$4,459.95
$4,459.95 - $4,459.95
$4,459.95

PRO+AQUA PRO-RO-IV 4000 GPD Commercial Reverse Osmosis System – Ultra-Pure RO Water for Hydroponics, Breweries & More The PRO+AQUA PRO-RO-IV 40...

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$4,459.95 - $4,459.95
$4,459.95
$4,459.95 - $4,459.95
$4,459.95
Hydronix SPV-4040-12 SS Membrane Housing 4"x40" 1/2" Ports - IFilters
Hydronix

Hydronix SPV-4040-12 SS Membrane Housing 4"x40" 1/2" Ports

SPV-4040-12
in stock

$199.99 - $199.99
$199.99
$199.99 - $199.99
$199.99

The Hydronix SPV-4040-12 4" x 40" Stainless Steel Pressure Vessel is designed for use in commercial reverse osmosis, nanofiltration and ultrafiltra...

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$199.99 - $199.99
$199.99
$199.99 - $199.99
$199.99
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TFM-75-CV Compatible Fit IF-TFM-75EB Reverse Osmosis Membrane - IFilters
iFilters

TFM-75-CV Compatible Fit IF-TFM-75EB Reverse Osmosis Membrane

IF-TFM-75EB
in stock

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

The IF-TFM-75EB is a compatible replacement for the Everpure TFM-75-CV, TFM-75EB Reverse Osmosis Membrane. Features a 1/4 inch Quick Connect fittin...

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$49.99 - $49.99
$49.99
$49.99 - $49.99
$49.99
Hydronix SPV-4021-12 Stainless Steel Membrane Housing – 4" x 21", 1/2" Ports
Hydronix

Hydronix SPV-4021-12 4"x21" Stainless Steel Membrane Housing 1/2" Ports

SPV-4021-12
in stock

$149.99 - $149.99
$149.99
$149.99 - $149.99
$149.99

Hydronix SPV-4021-12 Stainless Steel Membrane Housing – 4" x 21", 1/2" Ports The Hydronix SPV-4021-12 is a high-quality stainless steel pressure ve...

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$149.99 - $149.99
$149.99
$149.99 - $149.99
$149.99
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Inline Sediment Water Filter, Pre Filtration, 2" x 10", 1/4" Quick Connect Ports - IFilters
Hydronix

Inline Sediment Water Filter, Pre Filtration, 2" x 10", 1/4" Quick Connect Ports

ISF-10Q
in stock

$12.25 - $12.25
$12.25
$12.25 - $12.25
$12.25

Hydronix ISF-10Q inline sediment filters have 1/4" QC connections and are suitable for Drinking water filtration applications. The internal polypro...

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$12.25 - $12.25
$12.25
$12.25 - $12.25
$12.25
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Polyester Pleated Sediment Water Filter, Washable & Reusable, 2.5" X 10", 50 μm
Hydronix

Polyester Pleated Sediment Water Filter, Washable & Reusable, 2.5" X 10", 50 μm

SPC-25-1050
in stock

$9.00 - $9.00
$9.00
$9.00 - $9.00
$9.00

Hydronix SPC series 2.5" x 10" 50 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pleate...

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$9.00 - $9.00
$9.00
$9.00 - $9.00
$9.00
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Hydronix Inline Coconut Filter, 1000 Gal, 2"x6", 3/8" Quick Connect - IFilters
Hydronix

Hydronix Inline Coconut Filter, 1000 Gal, 2"x6", 3/8" Quick Connect

ICF-6Q38
in stock

$7.50 - $7.50
$7.50
$7.50 - $7.50
$7.50

Hydronix ICF Series Inline Filters utilize NSF listed coconut shell GAC and are designed to remove unpleasant taste and odor and reduce sediment to...

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$7.50 - $7.50
$7.50
$7.50 - $7.50
$7.50
FLOWLOK Safety Kit – Undersink RO Filtration System Water Leak Detector Safety Valve Kit with Tray
FlowLok

FLOWLOK Safety Kit – Undersink RO Filtration System Water Leak Detector Safety Valve Kit with Tray

FLK-KIT
in stock

$25.99 - $25.99
$25.99
$25.99 - $25.99
$25.99

FLOWLOK Safety Kit – Leak Protection for Water Filters (FLK-KIT 1/4" or FLK-KIT38 3/8") FLK-KIT | FLK KIT38 FLOWLOK Safety Kit – Ultimate Leak Prot...

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$25.99 - $25.99
$25.99
$25.99 - $25.99
$25.99
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Wholehouse Hydroponics RO Carbon Block Water Filter 1 Micron 4.5" x 10"
Hydronix

Wholehouse Hydroponics RO Carbon Block Water Filter 1 Micron 4.5" x 10"

CB-45-1001
in stock

$32.08 - $32.08
$32.08
$32.08 - $32.08
$32.08

Hydronix CB-25-2010 carbon block filters are NSF/ANSI standard 42 certified for Material and structural Safety. CB-25-2010 filters have a particle ...

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$32.08 - $32.08
$32.08
$32.08 - $32.08
$32.08
Hydronix BSV-38110VW - Brass Solenoid Valve, 110V 50/60Hz, 3/8" FNPT (Normally Closed)
Hydronix

Hydronix BSV-38110VW Brass Solenoid Valve, Closed, 110V 50/60hz, 3/8" FNPT

BSV-38110VW
in stock

$74.42 - $74.42
$74.42
$74.42 - $74.42
$74.42

Hydronix BSV-38110VW - Brass Solenoid Valve, 110V 50/60Hz, 3/8" FNPT (Normally Closed) The Hydronix BSV-38110VW is a high-performance brass solenoi...

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$74.42 - $74.42
$74.42
$74.42 - $74.42
$74.42
Everpure 7CB5, EV9618-11, EV961811 Filter Cartridge - IFilters
Pentair

Everpure 7CB5, EV9618-11, EV961811 Filter Cartridge

EV961811
Out of stock

$111.95 - $111.95
$111.95
$111.95 - $111.95
$111.95

The Everpure 7CB5, EV9618-11, EV961811 Filter Cartridge is a geniune Everpure Commercial Filtration product. The EV-961811 can be used to replace o...

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$111.95 - $111.95
$111.95
$111.95 - $111.95
$111.95
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Replacement, GE FXWSC String Wound Sediment Filter Cartridge (2-Pack)
Hydronix

Replacement, GE FXWSC String Wound Sediment Filter Cartridge (2-Pack)

SWC-25-1010/2
in stock

$11.95 - $11.95
$11.95
$11.95 - $11.95
$11.95

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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$11.95 - $11.95
$11.95
$11.95 - $11.95
$11.95
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