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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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Whole House Alkaline pH Mineral Replacement Water Filter, 20" - IFilters
iFilters

Whole House Alkaline pH Mineral Replacement Water Filter, 20"

UDF-20BP-ALK
in stock

$255.00 - $255.00
$255.00
$255.00 - $255.00
$255.00

This 4.5" x 20" Alkaline cartridge is used to increase pH and neutralize the acidity of low-mineral water. This alkaline filter will improve the ov...

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$255.00 - $255.00
$255.00
$255.00 - $255.00
$255.00
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Hydronix Inline Sediment Water Filter, Pre Filtration 2.5" x 12", 1/4" NPT Ports
Hydronix

Hydronix Inline Sediment Water Filter, Pre Filtration 2.5" x 12", 1/4" NPT Ports

ISF-2512
in stock

$11.14 - $11.14
$11.14
$11.14 - $11.14
$11.14

Hydronix ISF-2512 inline sediment filters have 1/4" npt connections and are suitable for drinking water filtration applications. The internal polyp...

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$11.14 - $11.14
$11.14
$11.14 - $11.14
$11.14
PG25160B 0 - 160 PSI Water Pressure Gauge 2.5" Stainless Steel 1/4" Port, Back Flange - IFilters
Hydronix

PG25160B 0 - 160 PSI Water Pressure Gauge 2.5" Stainless Steel 1/4" Port, Back Flange

PG25160B
in stock

$19.50 - $19.50
$19.50
$19.50 - $19.50
$19.50

The PG25160B is UV resistant, high quality water pressure gauge designed with the OEM in mind. From the special synthetic fluid used to fill the ga...

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$19.50 - $19.50
$19.50
$19.50 - $19.50
$19.50
iFilters WS-EM-64-RO50 Whole House Water Softener & Reverse Osmosis System
iFilters

iFilters AS-HS64D-RO50 Reverse Osmosis System & Whole House Water Softener Package for 2-4 Bathrooms

AS-HS64D-RO50
in stock

$829.99 - $829.99
$829.99
$829.99 - $829.99
$829.99

iFilters AS-HS64D-RO50 Whole House Water Softener & Reverse Osmosis System – Complete Filtration for Larger Homes Experience comprehensive home...

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$829.99 - $829.99
$829.99
$829.99 - $829.99
$829.99
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Hydro Guard HDG-CB-AC10 Carbon Block Pre-Filter for AC30 AC15 Systems - 2 Pack
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
Aquatrol - PMP-100GPD - 125PSI - Diaphragm Pump
Aquatrol

Aquatrol - PMP-100GPD - 125PSI - Diaphragm Pump - 100 GPD Reverse Osmosis Booster Pump, 24v

PMP-100GPD
in stock

$100.00 - $100.00
$100.00
$100.00 - $100.00
$100.00

Aquatrol - PMP-100GPD - 125PSI - Diaphragm Pump - 100 GPD Reverse Osmosis Booster Pump, 24v for 100 GPD Reverse Osmosis Water Filtration Systems. C...

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$100.00 - $100.00
$100.00
$100.00 - $100.00
$100.00
Hydronix PG25300L - 0-300 PSI Water Pressure Gauge, 2.5" Stainless Steel, 1/4" NPT Port
Hydronix

Hydronix PG25300L - 0-300 PSI Water Pressure Gauge 2.5" Stainless Steel 1/4" Port NPT

PG25300L
in stock

$14.25 - $14.25
$14.25
$14.25 - $14.25
$14.25

Hydronix PG25300L - 0-300 PSI Water Pressure Gauge, 2.5" Stainless Steel, 1/4" NPT Port The Hydronix PG25300L is a high-quality, UV-resistant water...

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$14.25 - $14.25
$14.25
$14.25 - $14.25
$14.25
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Sediment Depth Water Filter Cartridge Whole House RO Drinking Water 10", 5 μm
Hydronix

Sediment Depth Water Filter Cartridge Whole House RO Drinking Water 10", 5 μm

SBC-25-1005
in stock

$9.58 - $9.58
$9.58
$9.58 - $9.58
$9.58

Hydronix SBC-25-1005 polypropylene sediment bonded depth filters have a particle retention size of 5 microns and are used in residential and commer...

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$9.58 - $9.58
$9.58
$9.58 - $9.58
$9.58
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HydroScientific Absolute Rated Pleated Filter, 0.45 microns, 20" x 2.5" - IFilters
HydroScientific

HydroScientific Absolute Rated Pleated Filter, 0.45 microns, 20" x 2.5"

AR0045EF2A
in stock

$189.77 - $189.77
$189.77
$189.77 - $189.77
$189.77

Hydronix AR Series Absolute Rated Pleated Filters are Beta 5000 Absolute rated filters. Made from 100% pure Polypropylene Hydronix AR Series Absolu...

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$189.77 - $189.77
$189.77
$189.77 - $189.77
$189.77
Pentek CRFC20-BB Radial Flow Carbon Filter, 155967 - IFilters
Pentair

Pentek CRFC20-BB Radial Flow Carbon Filter, 155967

CRFC20-BB
Out of stock

$88.20 - $88.20
$88.20
$88.20 - $88.20
$88.20

The Pentek CRFC20-BB Radial Flow Carbon Filter is ideal for chloramine taste & odor reduction in POE (Point-of-Entry) and other high-flow rate ...

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$88.20 - $88.20
$88.20
$88.20 - $88.20
$88.20
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Poly-Ray Pleated 0.2m 20" x 2.5" - IFilters
HydroScientific

Poly-Ray Pleated 0.2m 20" x 2.5"

AR0020EF2A
in stock

$189.77 - $189.77
$189.77
$189.77 - $189.77
$189.77

HydroScientific AR Series Absolute Rated Pleated Filters are Beta 5000 Absolute rated filters. Made from 100% pure Polypropylene. HydroScientific A...

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$189.77 - $189.77
$189.77
$189.77 - $189.77
$189.77
Reverse Osmosis RO Flush Kit Valve For Any Standard RO System, 1/4" QC Ports - IFilters
iFilters

Reverse Osmosis RO Flush Kit Valve For ANY Standard RO System, 1/4" QC Ports

RO-FLUSH
in stock

$9.50 - $9.50
$9.50
$9.50 - $9.50
$9.50

Significantly enhance the life of your RO Membrane with the NSF iFilters Flush Valve. This flush valve provides a bypass to purge contaminates in t...

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$9.50 - $9.50
$9.50
$9.50 - $9.50
$9.50
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Commercial, Industrial NSF Polypropylene Sediment Water Filter 2.5" x 30", 75 μm - IFilters
Hydronix

Commercial, Industrial NSF Polypropylene Sediment Water Filter 2.5" x 30", 75 μm

SDC-25-3075
in stock

$13.06 - $13.06
$13.06
$13.06 - $13.06
$13.06

Hydronix SDC-25-3075 polypropylene sediment filters have a particle retention Size of 75 micron and is used in a residential and commercial water f...

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$13.06 - $13.06
$13.06
$13.06 - $13.06
$13.06
Polaris Scientific UVA-36B – 36 GPM Light Commercial Ultraviolet (UV) Water Deactivator System
Polaris Scientific

Polaris Scientific UVA-36B 36 GPM Commercial Ultraviolet Deactivator System

UVA-36B
in stock

$1,688.00 - $1,688.00
$1,688.00
$1,688.00 - $1,688.00
$1,688.00

Polaris Scientific UVA-36B – 36 GPM Light Commercial Ultraviolet (UV) Water Deactivator System The Polaris UVA-36B is a high-performance ultraviole...

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$1,688.00 - $1,688.00
$1,688.00
$1,688.00 - $1,688.00
$1,688.00
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Hydronix SWC-25-4030 String Wound Sediment Water Filter Cartridge 30 μm 2.5 x 40
Hydronix

Hydronix SWC-25-4030 String Wound Sediment Water Filter Cartridge 30 μm 2.5 x 40

SWC-25-4030
in stock

$22.82 - $22.82
$22.82
$22.82 - $22.82
$22.82

The Hydronix SWC-25-4030 polypropylene String wound filters have a particle retention Size of 30 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
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Commercial, Industrial NSF Polypropylene Sediment Water Filter 2.5" x 40", 10 μm - IFilters
Hydronix

Commercial, Industrial NSF Polypropylene Sediment Water Filter 2.5" x 40", 10 μm

SDC-25-4010
in stock

$19.44 - $19.44
$19.44
$19.44 - $19.44
$19.44

Hydronix SDC-25-4010 polypropylene sediment filters have a particle retention Size of 10 micron and is used in a residential and commercial water f...

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$19.44 - $19.44
$19.44
$19.44 - $19.44
$19.44
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Sediment Depth Water Filter Cartridge NSF Poly Commercial Industrial 40", 5 μm - IFilters
Hydronix

Sediment Depth Water Filter Cartridge NSF Poly Commercial Industrial 40", 5 μm

SBC-25-4005
in stock

$22.96 - $22.96
$22.96
$22.96 - $22.96
$22.96

Hydronix SBC-25-4001 polypropylene sediment bonded depth filters have a particle retention size of 1 Micron and are used in a residential and comme...

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$22.96 - $22.96
$22.96
$22.96 - $22.96
$22.96
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