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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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Salt-Free Softener Conditioner and ELITE 3-stage heavy metal odor system, 20 GPM - IFilters
PRO+AQUA

Salt-Free Softener Conditioner and ELITE 3-stage heavy metal odor system, 20 GPM

PRO-E-SF20
In stock
$3,093.45 - $3,093.45
$3,093.45
$3,093.45 - $3,093.45
$3,093.45

This Complete Whole House Water Filtration and Salt-Free Softener Conditioner Package includes the top-selling PRO-100-E 3-Stage ELITE GEN2 Filtrat...

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$3,093.45 - $3,093.45
$3,093.45
$3,093.45 - $3,093.45
$3,093.45
Polaris Scientific UVA-WIRE – Wire to Lamp Pin Connector for Polaris UVA Systems
Polaris Scientific

Polaris Scientific UVA-WIRE Wire to Lamp Pin Connector for all Polaris UVA Systems

UVA-WIRE
in stock
$29.97 - $29.97
$29.97
$29.97 - $29.97
$29.97

Polaris Scientific UVA-WIRE – Wire to Lamp Pin Connector for Polaris UVA Systems The Polaris Scientific UVA-WIRE is an OEM wire-to-lamp pin connect...

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$29.97 - $29.97
$29.97
$29.97 - $29.97
$29.97
Salt-Free Softener Conditioner and ELITE 3-stage heavy metal odor system, 10.31 GPM - IFilters
PRO+AQUA

Salt-Free Softener Conditioner and ELITE 3-stage heavy metal odor system, 10.31 GPM

PRO-E-SF10
In stock
$1,943.45 - $1,943.45
$1,943.45
$1,943.45 - $1,943.45
$1,943.45

This Complete Whole House Water Filtration and Salt-Free Softener Conditioner Package includes the top-selling PRO-100-E 3-Stage ELITE GEN2 Filtrat...

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$1,943.45 - $1,943.45
$1,943.45
$1,943.45 - $1,943.45
$1,943.45
Auto Ship
HydroScientific™ Bag Filter #2: Precision Filtration for Crisp, 1 Micron Clarity - IFilters
HydroScientific

HydroScientific™ Bag Filter #2: Precision Filtration for Crisp, 1 Micron Clarity

BAG2-1M
in stock
$0.00 - $0.00
$0.00
$17.21
$17.21 - $17.21
$17.21

Elevate your filtration game with Hydronix Bag Filter #2, meticulously designed for precision filtration at 1 micron. This bag filter is your go-to...

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$0.00 - $0.00
$0.00
$17.21
$17.21 - $17.21
$17.21
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
Auto Ship
DI Resin Replacement Deionization Color Changing, TDS, Aquariums, Spot Free, 1L - IFilters
PRO+AQUA

DI Resin Replacement Deionization Color Changing, TDS, Aquariums, Spot Free, 1L

MED-DI-1
in stock
$19.26 - $19.26
$19.26
$19.26 - $19.26
$19.26

The Pro+Aqua MED-DI-1 offers 1 Liter of mixed bed deionization (DI) resin media and is ideal for Aquariums as well as a spot-free rinse for your ca...

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$19.26 - $19.26
$19.26
$19.26 - $19.26
$19.26
Auto Ship
Jumbo Filter Cartridges for HBCJ/SC Housings 50 Micron - IFilters
HydroScientific

Jumbo Filter Cartridges for HBCJ/SC Housings 50 Micron

HSC-170-50
in stock
$182.00 - $182.00
$182.00
$182.00 - $182.00
$182.00

The HydroScientific HSC-170-50 is a Certified Jumbo filter for HBCJ/SC Housings. Microns: 50 Max Flow Rate: 150 GPM Max Temp.: 140 Degrees F Si...

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$182.00 - $182.00
$182.00
$182.00 - $182.00
$182.00
Hydronix HF45-10CLBK15 Water Filter Housing – 10” Big Blue (BB) Clear Housing, 1.5” Ports
Hydronix

Hydronix HF45-10CLBK15 Water Filter Housing, House Commercial Hydroponics Clear BB Size 10", 1.5" Ports

HF45-10CLBK15
in stock
$72.95 - $72.95
$72.95
$72.95 - $72.95
$72.95

Hydronix HF45-10CLBK15 Water Filter Housing – 10” Big Blue (BB) Clear Housing, 1.5” Ports The Hydronix HF45-10CLBK15 is a 10” Clear Big Blue (BB) W...

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$72.95 - $72.95
$72.95
$72.95 - $72.95
$72.95
Hydronix AFM-216 Panel Mount Flow Meter 2 - 16 GPM Adjustable 3/4" MNPT - IFilters
Hydronix AFM-216 Panel Mount Flow Meter 2 - 16 GPM Adjustable 3/4" MNPT - IFilters
Hydronix

Hydronix AFM-216 Panel Mount Flow Meter 2 - 16 GPM Adjustable 3/4" MNPT

AFM-216
in stock
$131.65 - $131.65
$131.65
$131.65 - $131.65
$131.65

Hydronix AFM-216 Panel Mount Flow Meter – 2 to 16 GPM Adjustable, 3/4" MNPT Ports The Hydronix AFM-216 is a high-precision panel mount flow meter d...

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$131.65 - $131.65
$131.65
$131.65 - $131.65
$131.65
Hydronix AFM-624 Panel Mount Flow Meter – Adjustable 6 to 24 GPM
Hydronix

Hydronix AFM-624 Panel Mount Flow Meter 6 - 24 GPM Adjustable

AFM-624
in stock
$144.95 - $144.95
$144.95
$144.95 - $144.95
$144.95

Hydronix AFM-624 Panel Mount Flow Meter – Adjustable 6 to 24 GPM Special Order Notice: This item has a 30-day lead time. The Hydronix AFM-624 is a ...

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$144.95 - $144.95
$144.95
$144.95 - $144.95
$144.95
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
Hydronix IFM-60200 Inline Flow Meter 60 - 200 GPM 2" FNPT - IFilters
Hydronix

Hydronix IFM-60200 Inline Flow Meter 60 - 200 GPM 2" FNPT

IFM-60200
in stock
$593.50 - $593.50
$593.50
$593.50 - $593.50
$593.50

The Hydronix IFM-60200 Inline Flowmeters have easy-to-read scales silk-screened onto the acrylic bodies that are extremely accurate. Solid One piec...

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$593.50 - $593.50
$593.50
$593.50 - $593.50
$593.50
Hydronix IFM-40120 Inline Flow Meter 40 - 120 GPM 2" FNPT - IFilters
Hydronix

Hydronix IFM-40120 Inline Flow Meter 40 - 120 GPM 2" FNPT

IFM-40120
in stock
$593.50 - $593.50
$593.50
$593.50 - $593.50
$593.50

The Hydronix IFM-40120 Inline Flowmeters have easy-to-read scales silk-screened onto the acrylic bodies that are extremely accurate. Solid One piec...

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$593.50 - $593.50
$593.50
$593.50 - $593.50
$593.50
MRH-740-2 Stainless Steel Filter Housing For 40" filters, 7 round - IFilters
HydroScientific

MRH-740-2 Stainless Steel Filter Housing For 40" filters, 7 round

MRH-740-2
in stock
$1,999.00 - $1,999.00
$1,999.00
$1,999.00 - $1,999.00
$1,999.00

The HydroScientific 7 Round Multi-Cartridge Stainless Steel Housing utilizes seven 40" cartridges to provide unparalleled filtration with up to 140...

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$1,999.00 - $1,999.00
$1,999.00
$1,999.00 - $1,999.00
$1,999.00
Panel Mount Flow Meter 4 - 24 GPM 1" MNPT - IFilters
Hydronix

Panel Mount Flow Meter 4 - 24 GPM 1" MNPT

PFM-424
in stock
$71.00 - $71.00
$71.00
$71.00 - $71.00
$71.00

This Hydronix Panel Mount Flow Meter has an easy-to-read scales silk-screened onto the acrylic bodies that are extremely accurate. The PMF-424 has ...

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$71.00 - $71.00
$71.00
$71.00 - $71.00
$71.00
Auto Ship
Pentek P1-30 30" 1 Micron Polypropylene Filter - IFilters
Pentair

Pentek P1-30 30" 1 Micron Polypropylene Filter

155227-43
in stock
$9.46 - $9.46
$9.46
$9.46 - $9.46
$9.46

The Pentek P1-30 30" 1 Micron Polypropylene Filter is a replacement drinking water filter cartridge manufactured from pure 100% polypropylene that ...

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$9.46 - $9.46
$9.46
$9.46 - $9.46
$9.46
Auto Ship
Pentek 10" PP String Big Blue Sediment Filter -10M - IFilters
Pentair

Pentek 10" PP String Big Blue Sediment Filter -10M

WPX10BB97P
in stock
$10.77 - $10.77
$10.77
$10.77 - $10.77
$10.77

The Pentek 10" String Wound Big Blue Sediment Filter Cartridge is a fibrillated polypropylene string wound water filter used for whole house filtra...

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$10.77 - $10.77
$10.77
$10.77 - $10.77
$10.77
Auto Ship
OmniFilter ROR2000 RO Pre-Filter Cartridges - IFilters
Smart Pack

OmniFilter ROR2000 RO Pre-Filter Cartridges

ROR2000
in stock
$24.49 - $24.49
$24.49
$24.49 - $24.49
$24.49

OmniFilter ROR2000 RO Pre-Filter Cartridges reduce rust, sediment, and the taste and odor of Chlorine, leaving you with water that is as healthy as...

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$24.49 - $24.49
$24.49
$24.49 - $24.49
$24.49
Auto Ship
Hydronix 1 Micron Sediment Bonded Depth Filter 30" w/Silicone Oring & 222/Fin - IFilters
Hydronix

Hydronix 1 Micron Sediment Bonded Depth Filter 30" w/Silicone Oring & 222/Fin

SBC-25-3001-S5
in stock
$19.08 - $19.08
$19.08
$19.08 - $19.08
$19.08

This 1 Micron 2.5" x 30" Hydronix SBC Series Sediment Bonded Depth Cartridge with Silicone Oring & 222/Fin is a specially designed thermally bo...

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$19.08 - $19.08
$19.08
$19.08 - $19.08
$19.08
Electrical Transformer for 100 GPD Pump - IFilters
Hydronix

Electrical Transformer for 100 GPD Pump

PMP-AR-2415
in stock
$56.00 - $56.00
$56.00
$56.00 - $56.00
$56.00

Electrical Transformer for 100 GPD RO Booster pump for Reverse Osmosis systems producing up to 100gpd. Used in residential installations with stand...

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$56.00 - $56.00
$56.00
$56.00 - $56.00
$56.00
Auto Ship
Poly-Ray Pleated Silicone, 0.2m Silicone Gasket DOE 40" - IFilters
HydroScientific

Poly-Ray Pleated Silicone, 0.2m Silicone Gasket DOE 40"

AR0020SF4A
in stock
$367.60 - $367.60
$367.60
$367.60 - $367.60
$367.60

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

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$367.60 - $367.60
$367.60
$367.60 - $367.60
$367.60
Auto Ship
Poly-Ray Pleated Silicone, 0.2m Oring 222/FIN 40" - IFilters
HydroScientific

Poly-Ray Pleated Silicone, 0.2m Oring 222/FIN 40"

AR0020S54A
in stock
$367.60 - $367.60
$367.60
$367.60 - $367.60
$367.60

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

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$367.60 - $367.60
$367.60
$367.60 - $367.60
$367.60
Auto Ship
Poly-Ray Pleated Silicone, 0.2m Oring 222/Flat 40" - IFilters
HydroScientific

Poly-Ray Pleated Silicone, 0.2m Oring 222/Flat 40"

AR0020S04A
in stock
$367.60 - $367.60
$367.60
$367.60 - $367.60
$367.60

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

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$367.60 - $367.60
$367.60
$367.60 - $367.60
$367.60
Auto Ship
Poly-Ray Pleated Silicone, 0.2m Oring 222/FIN 30" - IFilters
HydroScientific

Poly-Ray Pleated Silicone, 0.2m Oring 222/FIN 30"

AR0020S53A
in stock
$274.30 - $274.30
$274.30
$274.30 - $274.30
$274.30

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

View full details
$274.30 - $274.30
$274.30
$274.30 - $274.30
$274.30
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