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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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iFilters Whole House Sediment Filter for Dirt, Sand, Silt, Rust and Scale - Clear Housing - 3/4" Ports - Pressure Relief Button - IFilters
iFilters Whole House Sediment Filter for Dirt, Sand
iFilters

iFilters Whole House Sediment Filter for Dirt, Sand, Silt, Rust and Scale - Clear Housing - 3/4" Ports - Pressure Relief Button

LWHSD
in stock

$44.00 - $44.00
$44.00
$44.00 - $44.00
$44.00

The iFilters LWHSD Whole House Water Filter reduces dirt, sand, silt, rust, and scale particles and has a flow rate of Up to 8 gallons per minute (...

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$44.00 - $44.00
$44.00
$44.00 - $44.00
$44.00
Hydrofit 1/4" Tube x 1/4" NPTF Fitting – NSF Certified for Water & Food Use - IFilters
Hydrofit 1/4" Tube x 1/4" NPTF Fitting – NSF Certified for Water & Food Use - IFilters
Hydrofit

Hydrofit 1/4" Tube x 1/4" NPTF Fitting – NSF Certified for Water & Food Use

HDF-MC0404
in stock

$1.42 - $1.42
$1.42
$1.42 - $1.42
$1.42

Upgrade your water system with confidence using the Hydrofit 1/4" Tube x 1/4" NPTF fitting. Engineered for reliability and ease of installation, th...

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$1.42 - $1.42
$1.42
$1.42 - $1.42
$1.42
Auto Ship
SPC-25-1010 Variations
Hydronix

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

SPC-25-1010
in stock

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

Hydronix SPC series 2.5" x 10" 10 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
Auto Ship
Softening Resin Filter Cation Ion Exchange 4.5" x 20" Big Blue Size - IFilters
iFilters

Softening Resin Filter Cation Ion Exchange 4.5" x 20" Big Blue Size

CAT-4520
in stock

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

The CAT-4520 softening cation resin filter is used for the reduction of hard water using an ion exchange process. The CAT-4520 water softening filt...

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$49.99 - $49.99
$49.99
$49.99 - $49.99
$49.99
Hydronix SPV-4040-34 SS Membrane Housing 4"x40" 3/4" Ports - IFilters
Hydronix

Hydronix SPV-4040-34 SS Membrane Housing 4"x40" 3/4" Ports

SPV-4040-34
in stock

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

The Hydronix SPV-4040-34 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
A-19228 FL19228 Adapter Coupling - IFilters
A-19228 FL19228 Adapter Coupling - IFilters
iFilters

A-19228 FL19228 Adapter Coupling

A-19228-SET
in stock

$0.00 - $0.00
$0.00
$9.50
$9.50 - $9.50
$9.50

This Aquatrol Fleck Compatible Adapter Coupling Set are used in Fleck or Aquatrol Valves

$0.00 - $0.00
$0.00
$9.50
$9.50 - $9.50
$9.50
Everpure 4FC EV9692-21 High Flow Replacement Filter - IFilters
Pentair

Everpure 4FC EV9692-21 High Flow Replacement Filter

EV969221
Out of stock

$123.30 - $123.30
$123.30
$123.30 - $123.30
$123.30

The 4FC cartridge utilizes Fibredyne II media alongside AgION to improve the taste of you drinking water by reducing the taste and odor of chlorine...

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$123.30 - $123.30
$123.30
$123.30 - $123.30
$123.30
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