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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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Carbon Infused Replacement Filter For PRO-SCI and PRO-100-E ELITE GEN2 Whole-House Well Water - IFilters
PRO+AQUA

Carbon Infused Replacement Filter For PRO-SCI and PRO-100-E ELITE GEN2 Whole-House Well Water

FC-19-ACB
in stock

$69.95 - $69.95
$69.95
$69.95 - $69.95
$69.95

Ensure your water filtration system continues to deliver exceptional performance with the FC-19-ACB replacement filter. Engineered with Activated C...

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$69.95 - $69.95
$69.95
$69.95 - $69.95
$69.95
Polaris Scientific XEB-2439 – 24W-39W Ultraviolet Water UV System Ballast (110V/220V)
Polaris Scientific

Polaris Scientific XEB-2439 - Ultraviolet Water UV System Ballast, 24W - 39W 110V/220V

XEB-2439
in stock

$61.75 - $61.75
$61.75
$61.75 - $61.75
$61.75

Polaris Scientific XEB-2439 – 24W-39W Ultraviolet Water UV System Ballast (110V/220V) The Polaris Scientific XEB-2439 is a high-performance electro...

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$61.75 - $61.75
$61.75
$61.75 - $61.75
$61.75
Auto Ship
Whole House Sediment Pleated Water Filter, Washable Reusable, 2.5" x 20", 30 μm - IFilters
Hydronix

Whole House Sediment Pleated Water Filter, Washable Reusable, 2.5" x 20", 30 μm

SPC-25-2030
in stock

$13.00 - $13.00
$13.00
$13.00 - $13.00
$13.00

Hydronix SPC series 2.5" x 20" 30 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pleate...

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$13.00 - $13.00
$13.00
$13.00 - $13.00
$13.00
Polaris Scientific GL17SE4P – 17W UV Germicidal Replacement Lamp for UV-4C Systems
Polaris Scientific

Polaris Scientific GL17SE4P UV Ultraviolet Replacement Lamp, 17W For UV-4C UV Systems

GL17SE4P
in stock

$23.36 - $23.36
$23.36
$23.36 - $23.36
$23.36

Polaris Scientific GL17SE4P – 17W UV Germicidal Replacement Lamp for UV-4C Systems The Polaris Scientific GL17SE4P is a high-performance ultraviole...

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$23.36 - $23.36
$23.36
$23.36 - $23.36
$23.36
Water Filter Housing, House Commercial Hydroponics Clear BB Size 20", 1" Ports
Hydronix

Water Filter Housing, House Commercial Hydroponics Clear BB Size 20", 1" Ports

HF45-20CLBK10
in stock

$87.28 - $87.28
$87.28
$87.28 - $87.28
$87.28

The Hydronix HF45-20CLBK10 (Note: Picture shows PR version, this one does not include the PR button) 20" Clear Filter Housing is an extra-wide hous...

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$87.28 - $87.28
$87.28
$87.28 - $87.28
$87.28
Hydronix Modern Ceramic Reverse Osmosis Filtered Water Faucet, Chrome - IFilters
Hydronix

Reverse Osmosis Air-Gap Faucet Quality Luxury Design, Ceramic Lead Free Parts, Chrome

LF-EC32-CPAG
in stock

$36.99 - $36.99
$36.99
$36.99 - $36.99
$36.99

Hydronix LF-EC32-CPAG ceramic Air-Gap faucet is a chrome plated faucet that can be used in reverse Osmosis and Drinking water systems. The LF-EC32-...

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$36.99 - $36.99
$36.99
$36.99 - $36.99
$36.99
Black Rib Cap with 1/4" ports for HF3 Housings - IFilters
Hydronix

Black Rib Cap with 1/4" ports for HF3 Housings

HF3-CAP14BK
in stock

$6.99 - $6.99
$6.99
$6.99 - $6.99
$6.99

Hydronix Rib Cap for HF3 Housings with 1/4" female NPT ports.

$6.99 - $6.99
$6.99
$6.99 - $6.99
$6.99
Everpure ESO 6 3-Stage Blending Cartridge EV9607-10 - IFilters
Pentair

Everpure ESO 6 3-Stage Blending Cartridge EV9607-10

EV960710
Out of stock

$132.00 - $132.00
$132.00
$132.00 - $132.00
$132.00

The Everpure ESO 6 3-Stage Blending Cartridge EV9607-10 is a replacement water filter cartridge with three unique stages that provides softened, bu...

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$132.00 - $132.00
$132.00
$132.00 - $132.00
$132.00
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Sediment Water Filter for Whole House, RO, Hydroponics, Commercial - 20", 50 μm
Hydronix

Sediment Water Filter for Whole House, RO, Hydroponics, Commercial - 20", 50 μm

SDC-25-2050
in stock

$8.24 - $8.24
$8.24
$8.24 - $8.24
$8.24

Hydronix SDC-25-2050 polypropylene sediment filters have a particle retention Size of 50 micron and is used in a residential and commercial water f...

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$8.24 - $8.24
$8.24
$8.24 - $8.24
$8.24
Auto Ship
HSC-40 Series 50 Micron, High Flow Jumbo Pleated Polyester Filter - IFilters
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
Aquatrol AT-1054BL-25T – 10" x 54" Mineral Pressure Tank for Water Softeners & Filtration (2.5" Port, Blue)
Aquatrol

Aquatrol AT-1054BL-25T 10 x 54 Blue Mineral Pressure Tank for Water Softeners or Filtration, 2.5" Port

AT-1054BL-25T
in stock

$98.10 - $98.10
$98.10
$98.10 - $98.10
$98.10

Aquatrol AT-1054BL-25T – 10" x 54" Mineral Pressure Tank for Water Softeners & Filtration (2.5" Port, Blue) The Aquatrol AT-1054BL-25T Mineral ...

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$98.10 - $98.10
$98.10
$98.10 - $98.10
$98.10
Auto Ship
HydroScientific™ Bag Filter #3: Precision Filtration for Crisp, 1 Micron Clarity - IFilters
HydroScientific

HydroScientific™ Bag Filter #3: Precision Filtration for Crisp, 1 Micron Clarity

BAG3-1M
in stock

$0.00 - $0.00
$0.00
$8.74
$8.74 - $8.74
$8.74

Experience unparalleled filtration precision with Hydronix Bag Filter #3, meticulously designed for 1-micron applications. This bag filter raises t...

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$0.00 - $0.00
$0.00
$8.74
$8.74 - $8.74
$8.74
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