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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

iFilters 5ft 1/4" Polyethylene Tubing for Reverse Osmosis Systems- PT04-WH-5 (White) - IFilters
iFilters

iFilters 5ft 1/4" Polyethylene Tubing for Reverse Osmosis Systems- PT04-WH-5 (White)

PT04-WH-5
in stock
$7.99 - $7.99
$7.99
$7.99 - $7.99
$7.99

iFilters PT04-WH-5 – 5 ft. White 1/4" Polyethylene Tubing – Flexible, Durable & Chemical-Resistant 5ft NSF 1/4" POLYETHYLENE TUBE The iFilters ...

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$7.99 - $7.99
$7.99
$7.99 - $7.99
$7.99
Polaris Scientific UV-NUT-1 – Aluminum Long Nut for Polaris UV Systems
Polaris Scientific

POLARIS UV-NUT-1 Aluminum Long Nut For All UV Units

UV-NUT-1
in stock
$38.50 - $38.50
$38.50
$38.50 - $38.50
$38.50

Polaris Scientific UV-NUT-1 – Aluminum Long Nut for Polaris UV Systems The Polaris UV-NUT-1 is a high-quality OEM replacement long nut designed for...

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$38.50 - $38.50
$38.50
$38.50 - $38.50
$38.50
2 gal SS Reverse Osmosis Water Tank, Compact Size, RVs, Campers, White 1/4" Port - IFilters
2 gal SS Reverse Osmosis Water Tank, Compact Size, RVs, Campers, White 1/4" Port
Hydronix

2 gal SS Reverse Osmosis Water Tank, Compact Size, RVs, Campers, White 1/4" Port

RO-120-W14
in stock
$46.00 - $46.00
$46.00
$46.00 - $46.00
$46.00

The PAE RO-120 Reverse Osmosis tanks features a virgin polypropylene liner, high-grade chlorobutyl diaphragm and stainless steel 1/4" MPT water con...

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$46.00 - $46.00
$46.00
$46.00 - $46.00
$46.00
Hydronix HF45-10BLBK34PR Water Filter Housing NSF listed 10" - 3/4" Ports w/ PR
Hydronix HF45-10BLBK34PR Water Filter Housing NSF listed 10" - 3/4" Ports w/ PR
Hydronix

Hydronix HF45-10BLBK34PR Water Filter Housing NSF listed 10" - 3/4" Ports w/ PR

HF45-10BLBK34PR
in stock
$40.19 - $40.19
$40.19
$40.19 - $40.19
$40.19

The Hydronix HF45-10BLBK34PR 10" Filter Housing is an extra-wide housing that accommodates large 4.5" wide filters for increased flow. This housing...

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$40.19 - $40.19
$40.19
$40.19 - $40.19
$40.19
Hydronix 10" White Housing w/ White Flat Cap, RO & Filtration Systems 1/4" Ports
Hydronix

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

HF2-10WHWH14
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
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
3/4 Inch NPT Male Plastic Nipple Hex Connector With O-rings
Hydronix

3/4 Inch NPT Male Plastic Nipple Hex Connector With O-rings

NP-34
in stock
$6.99 - $6.99
$6.99
$6.99 - $6.99
$6.99

3/4" NPT Nipple Male Plastic Connector is made from Polypropylene. The Center has a Hex shape to allow tool installation.

$6.99 - $6.99
$6.99
$6.99 - $6.99
$6.99
Aquatrol AT-1354BK-25T 13 x 54 Pg Pressure Tank - 2.5” T Connection, Standard Base, Black - IFilters
Aquatrol AT-1354BK-25T 13 x 54 Pg Pressure Tank - 2.5” T Connection, Standard Base, Black - IFilters
Aquatrol

Aquatrol AT-1354BK-25T 13 x 54 Pg Pressure Tank - 2.5” T Connection, Standard Base, Black

AT-1354BK-25T
in stock
$183.57 - $183.57
$183.57
$183.57 - $183.57
$183.57

Aquatrol AT-1354BK-25T 13 x 54 Pg Pressure Tank - 2.5” T Connection, Standard Base, Black

$183.57 - $183.57
$183.57
$183.57 - $183.57
$183.57
Aquatrol AT-0844BK-25T 8 x 44 Pg Pressure Tank - 2.5” T Connection, Standard Base, Black - IFilters
Aquatrol AT-0844BK-25T 8 x 44 Pg Pressure Tank - 2.5” T Connection, Standard Base, Black - IFilters
Aquatrol

Aquatrol AT-0844BK-25T 8 x 44 Pg Pressure Tank - 2.5” T Connection, Standard Base, Black

AT-0844BK-25T
in stock
$92.05 - $92.05
$92.05
$92.05 - $92.05
$92.05

Aquatrol AT-0844BK-25T 8 x 44 Pg Pressure Tank - 2.5” T Connection, Standard Base, Black

$92.05 - $92.05
$92.05
$92.05 - $92.05
$92.05
316 Stainless Steel High Flow Filter Housing, 4.5"x20", 1" Ports - IFilters
HydroScientific

316 Stainless Steel High Flow Filter Housing, 4.5"x20", 1" Ports

HF4520SS316-10
in stock
$436.45 - $436.45
$436.45
$436.45 - $436.45
$436.45

The HF4520SS316-10 is a dependable filter housing suitable for various filtration applications. Constructed from durable 316 stainless steel, it of...

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$436.45 - $436.45
$436.45
$436.45 - $436.45
$436.45
Hydronix PFM-NUT-12 PFM Replacement Nut, 1/2" MNPT - IFilters
Hydronix PFM-NUT-12 PFM Replacement Nut, 1/2" MNPT - IFilters
Hydronix

Hydronix PFM-NUT-12 PFM Replacement Nut, 1/2" MNPT

PFM-NUT-12
in stock
$4.99 - $4.99
$4.99
$4.99 - $4.99
$4.99

$4.99 - $4.99
$4.99
$4.99 - $4.99
$4.99
Polaris Scientific Ultraviolet Replacement Quartz Sleeve For UVA-4C UV Systems - IFilters
Polaris Scientific Ultraviolet Replacement Quartz Sleeve For UVA-4C UV Systems - IFilters
Polaris Scientific

Polaris Scientific Ultraviolet Replacement Quartz Sleeve For UVA-4C UV Systems

QS17
in stock
$20.63 - $20.63
$20.63
$20.63 - $20.63
$20.63

Polaris Scientific QS17 Replacement Quartz Sleeve for the UVA-4C Ultraviolet UV System. Natural quartz sleeve to protect the lamp and allow the max...

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$20.63 - $20.63
$20.63
$20.63 - $20.63
$20.63
PA-E 4.5 gal (3.2 usable) Reverse Osmosis Storage Water Tank - Black, 1/4" Port - IFilters
PA-E 4.5 gal (3.2 usable) Reverse Osmosis Storage Water Tank - Black, 1/4" Port
Hydronix

PA-E 4.5 gal (3.2 usable) Reverse Osmosis Storage Water Tank - Black, 1/4" Port

RO-132-BLK14
in stock
$60.00 - $60.00
$60.00
$60.00 - $60.00
$60.00

NSF Certified 4.5 Gallon (3.2 Draw-down) Reverse Osmosis Water Storage Tank. Lead, brass and copper are banned for use in purified/drinking water. ...

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$60.00 - $60.00
$60.00
$60.00 - $60.00
$60.00
Hydronix LF-EC25-CP Modern Ceramic RO or Filtered Water Faucet Chrome - IFilters
Hydronix

Hydronix LF-EC25-CP Modern Ceramic RO or Filtered Water Faucet Chrome

LF-EC25-CP
in stock
$34.71 - $34.71
$34.71
$34.71 - $34.71
$34.71

Hydronix LF-EC25-CP ceramic faucet is a chrome plated faucet that can be used in reverse Osmosis and Drinking water systems. The LF-EC25-CP faucet ...

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$34.71 - $34.71
$34.71
$34.71 - $34.71
$34.71
Hydronix Modern Ceramic RO or Filtered Water Faucet, Antique Wine - IFilters
Hydronix

Hydronix Modern Ceramic RO or Filtered Water Faucet, Antique Wine

LF-EC25-AW
in stock
$34.00 - $34.00
$34.00
$34.00 - $34.00
$34.00

Hydronix LF-EC25-AW Ceramic Faucet is a antique wine faucet that can be used in reverse osmosis and drinking water systems. The LF-EC25-AW faucet f...

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$34.00 - $34.00
$34.00
$34.00 - $34.00
$34.00
Hydronix 10" Clear Housing w/ White Flat Cap RO & Filtration Systems 1/2" Ports
Hydronix

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

HF2-10CLWH12
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...

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$18.75 - $18.75
$18.75
$18.75 - $18.75
$18.75
Hydronix 10" Clear Housing w/ White Flat Cap, RO & Filtration Systems 3/8" Ports
Hydronix 10" Clear Housing w/ White Flat Cap, RO & Filtration Systems 3/8" Ports
Hydronix

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

HF2-10CLWH38
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...

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$18.24 - $18.24
$18.24
$18.24 - $18.24
$18.24
Aquatrol AT-0835BK-25T 8 x 35 Pg Pressure Tank - 2.5” T Connection, Standard Base, Black - IFilters
Aquatrol AT-0835BK-25T 8 x 35 Pg Pressure Tank - 2.5” T Connection, Standard Base, Black - IFilters
Aquatrol

Aquatrol AT-0835BK-25T 8 x 35 Pg Pressure Tank - 2.5” T Connection, Standard Base, Black

AT-0835BK-25T
in stock
$91.99 - $91.99
$91.99
$91.99 - $91.99
$91.99

AQUATROL™ PRESSURE TANKS Aquatrol™ Pressure Tanks provide cost-effective reliability for residential and commercial applications. Available in size...

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$91.99 - $91.99
$91.99
$91.99 - $91.99
$91.99
Hydrofit NSF 3/8 Tube x 3/8 MPT Male Connector Adapter - IFilters
Hydrofit

Hydrofit NSF 3/8 Tube x 3/8 MPT Male Connector Adapter

HDF-MC0606
in stock
$1.60 - $1.60
$1.60
$1.60 - $1.60
$1.60

The Hydrofit NSF 3/8" Tube x 3/8" NPT Male Connector Adapter is NSF-approved and are designed for ease of use. Hydrofit Quick Connect Fittings are ...

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$1.60 - $1.60
$1.60
$1.60 - $1.60
$1.60
HDF-UE06 3/8" x 3/8" Quick Connect Elbow - IFilters
Hydrofit

HDF-UE06 3/8" x 3/8" Quick Connect Elbow

HDF-UE06
in stock
$1.99 - $1.99
$1.99
$1.99 - $1.99
$1.99

3/8" In/Out Female Quick Connect Elbow. These Quick Connect Fittings are designed to provide all the typical benefits and ease of use of a quick co...

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$1.99 - $1.99
$1.99
$1.99 - $1.99
$1.99
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
Polaris Scientific Ultraviolet Replacement Quartz Sleeve For UVA-6C UV Systems - IFilters
Polaris Scientific

Polaris Scientific Ultraviolet Replacement Quartz Sleeve For UVA-6C UV Systems

QS24
in stock
$23.23 - $23.23
$23.23
$23.23 - $23.23
$23.23

Polaris Scientific QS24 Replacement Quartz Sleeve for the UVA-6C Ultraviolet UV System. Natural quartz sleeve to protect the lamp and allow the max...

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$23.23 - $23.23
$23.23
$23.23 - $23.23
$23.23
Hydronix Long Reach Reverse Osmosis or Filtered Water Faucet, Chrome - IFilters
Hydronix

Hydronix Long Reach Reverse Osmosis or Filtered Water Faucet, Chrome

LF-BLR
in stock
$22.00 - $22.00
$22.00
$22.00 - $22.00
$22.00

Hydronix LF-BLR long REACH faucet is a chrome plated faucet that can be used in reverse Osmosis and Drinking water systems. The LF-BLR faucet featu...

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$22.00 - $22.00
$22.00
$22.00 - $22.00
$22.00
Hydronix 5" Clear Housing w/ White Flat Cap, RO & Filtration Systems 1/2" Ports
Hydronix

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

HF2-5CLWH12
in stock
$19.25 - $19.25
$19.25
$19.25 - $19.25
$19.25

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
$19.25 - $19.25
$19.25
$19.25 - $19.25
$19.25
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