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Parts

Reliable System parts keep your water filtration setup running at its best. From small seals to advanced electrical components, each part plays a role in maintaining water flow, pressure control, and filtration accuracy. Over time, wear and tear can affect valves, housings, and fittings, which makes timely replacement important. Choosing compatible components helps extend system life and protect your investment.

About Our System Parts

Our collection includes water softener heads, riser tubes, distributor baskets, pressure gauges, and power adapters designed for filtration and treatment systems. You will also find O-rings for various housing models, reverse osmosis booster pumps, storage tanks, and pressure protection valves. Ultraviolet system ballasts and replacement lamps are available to support disinfection performance. For countertop and under-sink systems, faucet adapters, fittings, and stainless steel connectors offer secure installation. Every component is selected to meet standard sizing and performance needs across many filtration brands.

Each product listing highlights availability, reviews, and compatibility details to help you make confident decisions. With hundreds of parts in stock, finding the right replacement becomes straightforward. Whether you are upgrading a softener valve or replacing a worn gasket, quality components restore proper function.

Why Choose iFilters for System Parts?

iFilters offers a wide selection of system parts backed by consistent inventory and dependable shipping. Clear product descriptions and model references make it easier to match parts with your system. Competitive pricing supports both residential users and professional installers. Customer feedback and ratings add helpful insight before purchase.

Shop system parts online today!

Filters

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

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

HF3-5WHWH38
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...

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$15.83 - $15.83
$15.83
$15.83 - $15.83
$15.83
Hydronix 10" White Housing, White Rib Cap, RO & Filtration 3/4" Ports w/ Relief
Hydronix

Hydronix 10" White Housing, White Rib Cap, RO & Filtration 3/4" Ports w/ Relief

HF3-10WHWH34PR
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...

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$24.50 - $24.50
$24.50
$24.50 - $24.50
$24.50
Hydronix 10" White Housing w/ White Flat Cap, RO & Filtration Systems 3/8" Ports
Hydronix

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

HF2-10WHWH38
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...

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$17.23 - $17.23
$17.23
$17.23 - $17.23
$17.23
Hydronix PFM-535 Panel Mount Flow Meter – 5-35 GPM, 1" MNPT
Hydronix

Hydronix PFM-535 Panel Mount Flow Meter 5 - 35 GPM 1" MNPT

PFM-535
in stock
$75.95 - $75.95
$75.95
$75.95 - $75.95
$75.95

Hydronix PFM-535 Panel Mount Flow Meter – 5-35 GPM, 1" MNPT The Hydronix PFM-535 Panel Mount Flow Meter is designed for high-precision water flow m...

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$75.95 - $75.95
$75.95
$75.95 - $75.95
$75.95
Reverse Osmosis Membrane Flush Kit Valve For 75 GPD RO Systems, 1/4" QC Ports - IFilters
iFilters

Reverse Osmosis Membrane Flush Kit Valve For 75 GPD RO Systems, 1/4" QC Ports

RO-FLUSH-75
in stock
$10.50 - $10.50
$10.50
$10.50 - $10.50
$10.50

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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$10.50 - $10.50
$10.50
$10.50 - $10.50
$10.50
White Empty Water Filter Cartridge For Pre or Post Use Durable 2.5" x 20" - IFilters
Hydronix

White Empty Water Filter Cartridge For Pre or Post Use Durable 2.5" x 20"

EC-2520W
in stock
$10.01 - $10.01
$10.01
$10.01 - $10.01
$10.01

Hydronix Empty Cartridges can be used with carbon, resin, KDF or any other media. Made from High Impact Polystyrene to withstand continuous usage a...

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$10.01 - $10.01
$10.01
$10.01 - $10.01
$10.01
Hydrofit HDF-ECV0402 1/4” Tube x 1/8” MNPT, Elbow Check Valve - IFilters
Hydrofit

Hydrofit HDF-ECV0402 1/4” Tube x 1/8” MNPT, Elbow Check Valve

HDF-ECV0402
Out of stock
$4.22 - $4.22
$4.22
$4.22 - $4.22
$4.22

Hydrofit HDF-ECV0402 1/4” to 1/8” MNPT Elbow Check Valve – NSF 61 Certified, Quick Connect Fitting for Water & Food Applications HYDROFIT™ – ...

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$4.22 - $4.22
$4.22
$4.22 - $4.22
$4.22
Aquatrol AT-1035BK-25T 10 x 35 Pg Pressure Tank - 2.5” T Connection, Standard Base, Black - IFilters
Aquatrol AT-1035BK-25T 10 x 35 Pg Pressure Tank - 2.5” T Connection, Standard Base, Black - IFilters
Aquatrol

Aquatrol AT-1035BK-25T 10 x 35 Pg Pressure Tank - 2.5” T Connection, Standard Base, Black

AT-1035BK-25T
in stock
$101.99 - $101.99
$101.99
$101.99 - $101.99
$101.99

Aquatrol AT-1035BK-25T 10 x 35 Pg Pressure Tank - 2.5” T Connection, Standard Base, Black

$101.99 - $101.99
$101.99
$101.99 - $101.99
$101.99
Aquatrol AT-1017BL-25T 10 x 17 Pg Pressure Tank - 2.5” T Connection, Standard Base, Blue - IFilters
Aquatrol AT-1017BL-25T 10 x 17 Pg Pressure Tank - 2.5” T Connection, Standard Base, Blue - IFilters
Aquatrol

Aquatrol AT-1017BL-25T 10 x 17 Pg Pressure Tank - 2.5” T Connection, Standard Base, Blue

AT-1017BL-25T
in stock
$86.76 - $86.76
$86.76
$86.76 - $86.76
$86.76

Aquatrol AT-1017BL-25T 10 x 17 Pg Pressure Tank - 2.5” T Connection, Standard Base, Blue

$86.76 - $86.76
$86.76
$86.76 - $86.76
$86.76
Aquatrol AT-0948BL-25T 9 x 48 Pg Pressure Tank - 2.5” T Connection, Standard Base, Blue - IFilters
Aquatrol AT-0948BL-25T 9 x 48 Pg Pressure Tank - 2.5” T Connection, Standard Base, Blue - IFilters
Aquatrol

Aquatrol AT-0948BL-25T 9 x 48 Pg Pressure Tank - 2.5” T Connection, Standard Base, Blue

AT-0948BL-25T
in stock
$94.99 - $94.99
$94.99
$94.99 - $94.99
$94.99

Aquatrol AT-0948BL-25T 9 x 48 Pg Pressure Tank - 2.5” T Connection, Standard Base, Blue

$94.99 - $94.99
$94.99
$94.99 - $94.99
$94.99
Aquatrol AT-0618BL-25T 6 x 18 Pg Pressure Tank - 2.5” T Connection, Standard Base, Blue - IFilters
Aquatrol AT-0618BL-25T 6 x 18 Pg Pressure Tank - 2.5” T Connection, Standard Base, Blue - IFilters
Aquatrol

Aquatrol AT-0618BL-25T 6 x 18 Pg Pressure Tank - 2.5” T Connection, Standard Base, Blue

AT-0618BL-25T
in stock
$66.47 - $66.47
$66.47
$66.47 - $66.47
$66.47

Aquatrol AT-0618BL-25T 6 x 18 Pg Pressure Tank - 2.5” T Connection, Standard Base, Blue

$66.47 - $66.47
$66.47
$66.47 - $66.47
$66.47
HydroScientific HF4510SS-10 - Stainless Steel High Flow Filter Housing - IFilters
HydroScientific

HydroScientific HF4510SS-10 - Stainless Steel High Flow Filter Housing

HF4510SS-10
in stock
$238.20 - $238.20
$238.20
$238.20 - $238.20
$238.20

The HF4510SS-10 is a dependable filter suitable for various filtration applications. Constructed from durable 304 stainless steel, it offers corros...

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$238.20 - $238.20
$238.20
$238.20 - $238.20
$238.20
Hydronix RO-44-W114 - 44 Gallon Reverse Osmosis Water Storage Tank (White, 1.25" Port)
Hydronix

Hydronix RO-44-W114 44 Gallon Revers Osmosis Water Storage Tank - White, 1.25" Port

RO-44-W114
in stock
$690.00 - $690.00
$690.00
$690.00 - $690.00
$690.00

Hydronix RO-44-W114 - 44 Gallon Reverse Osmosis Water Storage Tank (White, 1.25" Port) NSF Certified High-Capacity RO Storage Tank The Hydronix RO-...

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$690.00 - $690.00
$690.00
$690.00 - $690.00
$690.00
Pro+Aqua 3/4" Garden Hose Shut Off Valve, Heavy Duty Ball Valve Water Hose Fitting - IFilters
PRO+AQUA

Pro+Aqua 3/4" Garden Hose Shut Off Valve, Heavy Duty Ball Valve Water Hose Fitting

GHT-SOV
in stock
$15.99 - $15.99
$15.99
$15.99 - $15.99
$15.99

Pro+Aqua 3/4" Garden Hose Shut Off Valve, Heavy Duty Ball Valve Water Hose Fitting, Easy On/Off Ergonomic Design

$15.99 - $15.99
$15.99
$15.99 - $15.99
$15.99
Hydronix EC25 Air Gap Ceramic Faucet 3" Shank, Brush Nickel - IFilters
Hydronix Modern Ceramic RO or Filtered Water Faucet, Brushed Nickel - IFilters
Hydronix

Hydronix EC25 Air Gap Ceramic Faucet 3" Shank, Brush Nickel

LF-EC25-BNAG
in stock
$54.99 - $54.99
$54.99
$54.99 - $54.99
$54.99

The Hydronix LF-EC25-BNAG is an Elegant Designer Ceramic Faucet with Air Gap. It has a Brush Nickel finish with a 3" Shank. Hydronix LF Series Lead...

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$54.99 - $54.99
$54.99
$54.99 - $54.99
$54.99
MRH-7-ORING O-Ring For 7 Round MRH Housings - IFilters
HydroScientific

MRH-7-ORING O-Ring For 7 Round MRH Housings

MRH-7-ORING
in stock
$38.99 - $38.99
$38.99
$38.99 - $38.99
$38.99

MRH-7-ORING replacement O-Ring for Hydronix 7 Round MRH Housings. Made from durable EPDM material.

$38.99 - $38.99
$38.99
$38.99 - $38.99
$38.99
Hydronix RO & Filtration Systems 10" Blue Housing w/ Black Flat Cap 1/2" Ports
Hydronix

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

HF2-10BLBK12
in stock
$17.74 - $17.74
$17.74
$17.74 - $17.74
$17.74

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

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$17.74 - $17.74
$17.74
$17.74 - $17.74
$17.74
Hydronix RO Filtration Systems 10" Clear Housing w/ Black Flat Cap 3/8" Ports
Hydronix

Hydronix RO Filtration Systems 10" Clear Housing w/ Black Flat Cap 3/8" Ports

HF2-10CLBK38
in stock
$19.99 - $19.99
$19.99
$19.99 - $19.99
$19.99

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
$19.99 - $19.99
$19.99
$19.99 - $19.99
$19.99
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 5" Clear Housing w/ White Flat Cap, RO & Filtration Systems 1/4" Ports
Hydronix

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

HF2-5CLWH14
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 10" White Housing w/ White Rib Cap, RO & Filtration Systems, 3/4" Ports
Hydronix

Hydronix 10" White Housing w/ White Rib Cap, RO & Filtration Systems, 3/4" Ports

HF3-10WHWH34
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" Blue Housing w/ Black Rib Cap, RO & Filtration Systems, 3/8" Ports
Hydronix

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

HF3-10BLBK38
in stock
$17.23 - $17.23
$17.23
$17.23 - $17.23
$17.23

Hydronix HF3 series Slim Rib cap Filter housings are ideal for typical applications such as pre- and post-filtration for ro systems, under sink fil...

View full details
$17.23 - $17.23
$17.23
$17.23 - $17.23
$17.23
Hydronix 10" Blue Housing w/ Black Rib Cap, RO & Filtration Systems, 1/4" Ports
Hydronix

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

HF3-10BLBK14
in stock
$17.23 - $17.23
$17.23
$17.23 - $17.23
$17.23

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
$17.23 - $17.23
$17.23
$17.23 - $17.23
$17.23
Reverse Osmosis Membrane Flush Kit For 36 GPD RO System w/Restrictor 1/4" QC - IFilters
iFilters

Reverse Osmosis Membrane Flush Kit For 36 GPD RO System w/Restrictor 1/4" QC

RO-FLUSH-36
in stock
$10.50 - $10.50
$10.50
$10.50 - $10.50
$10.50

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...

View full details
$10.50 - $10.50
$10.50
$10.50 - $10.50
$10.50
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