Skip to content

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

$
$
Auto Ship
Sediment Depth Water Filter Cartridge Whole House Commercial RO Systems 20" 1 μm
Hydronix

Sediment Depth Water Filter Cartridge Whole House Commercial RO Systems 20" 1 μm

SBC-25-2001
in stock
$9.28 - $9.28
$9.28
$9.28 - $9.28
$9.28

Hydronix SBC-25-2001 polypropylene sediment bonded depth filters have a particle retention size of 1 Micron and are used in residential and commerc...

View full details
$9.28 - $9.28
$9.28
$9.28 - $9.28
$9.28
Auto Ship
Sediment Depth Water Filter Cartridge Whole House RO Drinking Water 10", 1 μm
Hydronix

Sediment Depth Water Filter Cartridge Whole House RO Drinking Water 10", 1 μm

SBC-25-1001
in stock
$6.00 - $6.00
$6.00
$6.00 - $6.00
$6.00

Hydronix SBC-25-1001 polypropylene sediment bonded depth filters have a particle retention size of 1 Micron and are used in a residential and comme...

View full details
$6.00 - $6.00
$6.00
$6.00 - $6.00
$6.00
Hydronix 5" White Housing w/ White Rib Cap, RO & Filtration Systems, 1/4" Ports
Hydronix

Hydronix 5" White Housing w/ White Rib Cap, RO & Filtration Systems, 1/4" Ports

HF3-5WHWH14
in stock
$15.83 - $15.83
$15.83
$15.83 - $15.83
$15.83

Hydronix HF3 series Slim Rib cap Filter housings have pressure Relief (PR) buttons and are ideal for Typical applications such as pre- and post-fil...

View full details
$15.83 - $15.83
$15.83
$15.83 - $15.83
$15.83
Hydronix 5" Clear Housing w/ White Rib Cap, RO & Filtration Systems, 3/8" Ports
Hydronix

Hydronix 5" Clear Housing w/ White Rib Cap, RO & Filtration Systems, 3/8" Ports

HF3-5CLWH38
in stock
$17.04 - $17.04
$17.04
$17.04 - $17.04
$17.04

Hydronix HF3 series Slim Rib cap Filter housings have pressure Relief (PR) buttons and are ideal for Typical applications such as pre- and post-fil...

View full details
$17.04 - $17.04
$17.04
$17.04 - $17.04
$17.04
Hydronix 5" Clear Housing w/ White Rib Cap, RO & Filtration Systems, 1/2" Ports
Hydronix

Hydronix 5" Clear Housing w/ White Rib Cap, RO & Filtration Systems, 1/2" Ports

HF3-5CLWH12
in stock
$17.84 - $17.84
$17.84
$17.84 - $17.84
$17.84

Hydronix HF3 series Slim Rib cap Filter housings have pressure Relief (PR) buttons and are ideal for Typical applications such as pre- and post-fil...

View full details
$17.84 - $17.84
$17.84
$17.84 - $17.84
$17.84
Hydronix 10" White Housing w/ White Rib Cap, RO & Filtration Systems, 1/4" Ports
Hydronix

Hydronix 10" White Housing w/ White Rib Cap, RO & Filtration Systems, 1/4" Ports

HF3-10WHWH14
in stock
$23.50 - $23.50
$23.50
$23.50 - $23.50
$23.50

Hydronix HF3 series Slim Rib cap Filter housings have pressure Relief (PR) buttons and are ideal for Typical applications such as pre- and post-fil...

View full details
$23.50 - $23.50
$23.50
$23.50 - $23.50
$23.50
Hydronix 10" White Housing, White Rib Cap, RO & Filtration 1/2" Ports w/ Relief
Hydronix

Hydronix 10" White Housing, White Rib Cap, RO & Filtration 1/2" Ports w/ Relief

HF3-10WHWH12PR
in stock
$24.50 - $24.50
$24.50
$24.50 - $24.50
$24.50

Hydronix HF3 series Slim Rib cap Filter housings have pressure Relief (PR) buttons and are ideal for Typical applications such as pre- and post-fil...

View full details
$24.50 - $24.50
$24.50
$24.50 - $24.50
$24.50
Hydronix 10" White Housing w/ White Rib Cap, RO & Filtration Systems, 1/2" Ports
Hydronix

Hydronix 10" White Housing w/ White Rib Cap, RO & Filtration Systems, 1/2" Ports

HF3-10WHWH12
in stock
$23.50 - $23.50
$23.50
$23.50 - $23.50
$23.50

Hydronix HF3 series Slim Rib cap Filter housings have pressure Relief (PR) buttons and are ideal for Typical applications such as pre- and post-fil...

View full details
$23.50 - $23.50
$23.50
$23.50 - $23.50
$23.50
Hydronix 10" Clear Housing w/ White Rib Cap, RO & Filtration Systems, 3/8" Ports
Hydronix

Hydronix 10" Clear Housing w/ White Rib Cap, RO & Filtration Systems, 3/8" Ports

HF3-10CLWH38
in stock
$23.50 - $23.50
$23.50
$23.50 - $23.50
$23.50

Hydronix HF3 series Slim Rib cap Filter housings have pressure Relief (PR) buttons and are ideal for Typical applications such as pre- and post-fil...

View full details
$23.50 - $23.50
$23.50
$23.50 - $23.50
$23.50
Hydronix 10" Clear Housing, White Rib Cap, RO & Filtration 1/2" Ports w/ Relief
Hydronix

Hydronix 10" Clear Housing, White Rib Cap, RO & Filtration 1/2" Ports w/ Relief

HF3-10CLWH12PR
in stock
$24.50 - $24.50
$24.50
$24.50 - $24.50
$24.50

Hydronix HF3 series Slim Rib cap Filter housings have pressure Relief (PR) buttons and are ideal for Typical applications such as pre- and post-fil...

View full details
$24.50 - $24.50
$24.50
$24.50 - $24.50
$24.50
Hydronix 10" Clear Housing w/ White Rib Cap, RO & Filtration Systems, 1/2" Ports
Hydronix

Hydronix 10" Clear Housing w/ White Rib Cap, RO & Filtration Systems, 1/2" Ports

HF3-10CLWH12
in stock
$23.50 - $23.50
$23.50
$23.50 - $23.50
$23.50

Hydronix HF3 series Slim Rib cap Filter housings have pressure Relief (PR) buttons and are ideal for Typical applications such as pre- and post-fil...

View full details
$23.50 - $23.50
$23.50
$23.50 - $23.50
$23.50
Hydronix 10" Clear Housing w/ Black Rib Cap, RO & Filtration Systems, 3/8" Ports
Hydronix

Hydronix 10" Clear Housing w/ Black Rib Cap, RO & Filtration Systems, 3/8" Ports

HF3-10CLBK38
in stock
$23.50 - $23.50
$23.50
$23.50 - $23.50
$23.50

Hydronix HF3 series Slim Rib cap Filter housings have pressure Relief (PR) buttons and are ideal for Typical applications such as pre- and post-fil...

View full details
$23.50 - $23.50
$23.50
$23.50 - $23.50
$23.50
Hydronix 10" Clear Housing w/ Black Rib Cap, RO & Filtration Systems, 1/4" Ports
Hydronix

Hydronix 10" Clear Housing w/ Black Rib Cap, RO & Filtration Systems, 1/4" Ports

HF3-10CLBK14
in stock
$23.50 - $23.50
$23.50
$23.50 - $23.50
$23.50

Hydronix HF3 series Slim Rib cap Filter housings have pressure Relief (PR) buttons and are ideal for Typical applications such as pre- and post-fil...

View full details
$23.50 - $23.50
$23.50
$23.50 - $23.50
$23.50
Hydronix 10" Clear Housing, Black Rib Cap, RO & Filtration, 1/2" Ports w/ Relief
Hydronix

Hydronix 10" Clear Housing, Black Rib Cap, RO & Filtration, 1/2" Ports w/ Relief

HF3-10CLBK12PR
in stock
$24.50 - $24.50
$24.50
$24.50 - $24.50
$24.50

Hydronix HF3 series Slim Rib cap Filter housings have pressure Relief (PR) buttons and are ideal for Typical applications such as pre- and post-fil...

View full details
$24.50 - $24.50
$24.50
$24.50 - $24.50
$24.50
Hydronix 10" Clear Housing w/ Black Rib Cap, RO & Filtration Systems, 1/2" Ports
Hydronix

Hydronix 10" Clear Housing w/ Black Rib Cap, RO & Filtration Systems, 1/2" Ports

HF3-10CLBK12
in stock
$23.50 - $23.50
$23.50
$23.50 - $23.50
$23.50

Hydronix HF3 series Slim Rib cap Filter housings have pressure Relief (PR) buttons and are ideal for Typical applications such as pre- and post-fil...

View full details
$23.50 - $23.50
$23.50
$23.50 - $23.50
$23.50
Hydronix 5" White Housing w/ White Flat Cap, RO & Filtration Systems, 3/8" Ports
Hydronix

Hydronix 5" White Housing w/ White Flat Cap, RO & Filtration Systems, 3/8" Ports

HF2-5WHWH38
in stock
$15.83 - $15.83
$15.83
$15.83 - $15.83
$15.83

Hydronix HF2 series Slim flat cap Filter housings are ideal for Typical applications as pre- and post-filtration for ro systems, under sink filters...

View full details
$15.83 - $15.83
$15.83
$15.83 - $15.83
$15.83
Hydronix 5" Clear Housing w/ White Flat Cap, RO & Filtration Systems 3/8" Ports
Hydronix

Hydronix 5" Clear Housing w/ White Flat Cap, RO & Filtration Systems 3/8" Ports

HF2-5CLWH38
in stock
$18.50 - $18.50
$18.50
$18.50 - $18.50
$18.50

Hydronix HF2 series Slim flat cap Filter housings are ideal for Typical applications as pre- and post-filtration for ro systems, under sink filters...

View full details
$18.50 - $18.50
$18.50
$18.50 - $18.50
$18.50
Hydronix RO Filtration Systems 10" Clear Housing w/ Black Flat Cap 1/4" Ports
Hydronix

Hydronix RO Filtration Systems 10" Clear Housing w/ Black Flat Cap 1/4" Ports

HF2-10CLBK14
in stock
$18.24 - $18.24
$18.24
$18.24 - $18.24
$18.24

Hydronix HF2 series Slim flat cap Filter housings are ideal for Typical applications as pre- and post-filtration for RO systems, under sink filters...

View full details
$18.24 - $18.24
$18.24
$18.24 - $18.24
$18.24
Hydronix RO Filtration Systems 10" Clear Housing w/ Black Flat Cap 1/2" Ports
Hydronix

Hydronix RO Filtration Systems 10" Clear Housing w/ Black Flat Cap 1/2" Ports

HF2-10CLBK12
in stock
$18.75 - $18.75
$18.75
$18.75 - $18.75
$18.75

Hydronix HF2 series Slim flat cap Filter housings are ideal for Typical applications as pre- and post-filtration for RO systems, under sink filters...

View full details
$18.75 - $18.75
$18.75
$18.75 - $18.75
$18.75
Hydronix RO & Filtration Systems 10" Blue Housing w/ Black Flat Cap 1/4" Ports
Hydronix

Hydronix RO & Filtration Systems 10" Blue Housing w/ Black Flat Cap 1/4" Ports

HF2-10BLBK14
in stock
$17.23 - $17.23
$17.23
$17.23 - $17.23
$17.23

Hydronix HF2 Series Slim Flat Cap Filter Housings are ideal for typical applications as pre- and post-filtration for RO systems, under sink filters...

View full details
$17.23 - $17.23
$17.23
$17.23 - $17.23
$17.23
HS-ORING-E-EP – HydroScientific Stainless Steel Housing O-Ring, EPDM Material, Compatible with BF1/BF2/HSBJ40-90-170/MRH-5(10-40)/MRH-7(10-40) - IFilters
HydroScientific

HS-ORING-E-EP – HydroScientific Stainless Steel Housing O-Ring, EPDM Material, Compatible with BF1/BF2/HSBJ40-90-170/MRH-5(10-40)/MRH-7(10-40)

HS-ORING-E-EP
in stock
$30.42 - $30.42
$30.42
$30.42 - $30.42
$30.42

The HS-ORING-E-EP is a high-performance EPDM O-ring designed for HydroScientific stainless steel housing applications. Engineered for durability an...

View full details
$30.42 - $30.42
$30.42
$30.42 - $30.42
$30.42
Hydronix

EC2010-C - HYDRONIX INLINE EMPTY CARTRIDGE, 2" OD X 10"L, 1/4"FNPT CLEAR

EC2010-C
in stock
$6.41 - $6.41
$6.41
$6.41 - $6.41
$6.41

HYDRONIX INLINE EMPTY CARTRIDGE, 2" OD X 10"L, 1/4"FNPT CLEAR

$6.41 - $6.41
$6.41
$6.41 - $6.41
$6.41
Auto Ship
EC-2505W Hydronix Empty Cartridge, 2.5" OD X 5" L WHITE - IFilters
Hydronix

EC-2505W Hydronix Empty Cartridge, 2.5" OD X 5" L WHITE

EC-2505W
in stock
$6.66 - $6.66
$6.66
$6.66 - $6.66
$6.66

This Hydronix Empty Cartridge is designed for compatibility with various filtration systems, providing a reliable and reusable solution for your fi...

View full details
$6.66 - $6.66
$6.66
$6.66 - $6.66
$6.66
Aquasure Premier Elite Series 4-Stage Reverse Osmosis System + Electric Booster Pump & LED Faucet – 100 GPD Premium Performance - IFilters
Aquasure Premier Elite Series 4-Stage Reverse Osmosis System + Electric Booster Pump & LED Faucet – 100 GPD Premium Performance - IFilters
Aquasure

Aquasure Premier Elite Series 4-Stage Reverse Osmosis System + Electric Booster Pump & LED Faucet – 100 GPD Premium Performance

AS-PR100E
in stock
$339.99 - $339.99
$339.99
$339.99 - $339.99
$339.99

OverviewThe Aquasure Premier Elite 100 GPD Reverse Osmosis Drinking Water System with Pressure Pump is engineered to deliver ultra-pure, great-tas...

View full details
$339.99 - $339.99
$339.99
$339.99 - $339.99
$339.99
Autoship Popup
{"statementLink":"","footerHtml":"","hideMobile":false,"hideTrigger":false,"disableBgProcess":false,"language":"en","position":"right","leadColor":"#146ff8","triggerColor":"#146ff8","triggerRadius":"50%","triggerPositionX":"right","triggerPositionY":"bottom","triggerIcon":"people","triggerSize":"medium","triggerOffsetX":95,"triggerOffsetY":20,"mobile":{"triggerSize":"small","triggerPositionX":"right","triggerPositionY":"bottom","triggerOffsetX":90,"triggerOffsetY":10,"triggerRadius":"50%"}}