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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

Poly-Ray Pleated Silicone, 0.2m Silicone Gasket DOE 20" - IFilters
HydroScientific

Poly-Ray Pleated Silicone, 0.2m Silicone Gasket DOE 20"

AR0020SF2A
in stock
$180.73 - $180.73
$180.73
$180.73 - $180.73
$180.73

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

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$180.73 - $180.73
$180.73
$180.73 - $180.73
$180.73
Poly-Ray Pleated Silicone, 0.2m Oring 222/Flat 40" - IFilters
HydroScientific

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

AR0020S03A
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 AR...

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$274.30 - $274.30
$274.30
$274.30 - $274.30
$274.30
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...

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$274.30 - $274.30
$274.30
$274.30 - $274.30
$274.30
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
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
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
Hydronix Inline Coconut Filter w/Scale Red. 1250 Gal, 2"x10", 3/8" QC - IFilters
Hydronix Inline Coconut Filter w/Scale Red. 1250 Gal, 2"x10", 3/8" QC - IFilters
Hydronix

Hydronix Inline Coconut Filter w/Scale Red. 1250 Gal, 2"x10", 3/8" QC

ICF-10Q38S
in stock
$7.83 - $7.83
$7.83
$7.83 - $7.83
$7.83

Hydronix ICF Series Inline Filters utilize NSF listed coconut shell GAC and are designed to remove unpleasant taste and odor and reduce sediment to...

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$7.83 - $7.83
$7.83
$7.83 - $7.83
$7.83
Poly-Ray Pleated Silicone, 1m EPDM Gasket DOE 20" - IFilters
HydroScientific

Poly-Ray Pleated Silicone, 1m EPDM Gasket DOE 20"

AR0100EF2A
in stock
$66.42 - $66.42
$66.42
$66.42 - $66.42
$66.42

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

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$66.42 - $66.42
$66.42
$66.42 - $66.42
$66.42
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
PANEL MOUNT FLOWMETER Variations
Hydronix

Hydronix PFM Flow Meter 0.2 - 2 GPM, 3/8" MNPT

PFM-022
in stock
$29.50 - $29.50
$29.50
$29.50 - $29.50
$29.50

Hydronix PFM Series Flowmeters have easy-to-read scales silk-screened onto the acrylic bodies that are extremely accurate. Solid One piece Injectio...

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$29.50 - $29.50
$29.50
$29.50 - $29.50
$29.50
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
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 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
BV-1414-MC Brass Valve - IFilters
Hydronix

BV-1414-MC Brass Valve

BV-1414-MC
in stock
$5.75 - $5.75
$5.75
$5.75 - $5.75
$5.75

The Hydrofit Brass Ball Valve Straight is a 1/4" MPT x 1/4" Feed Water Valve

$5.75 - $5.75
$5.75
$5.75 - $5.75
$5.75
WNV-2 Valve Adapter - IFilters
Hydronix

WNV-2 Valve Adapter

WNV-2
in stock
$3.24 - $3.24
$3.24
$3.24 - $3.24
$3.24

The Hydrofit WNV-2 Feed Water Valve Adapter measures 1/2"F x 1/2"M x 1/4"F

$3.24 - $3.24
$3.24
$3.24 - $3.24
$3.24
iFilters CBSM-2510 Coconut Shell CTO, Carbon Block Drinking Water Filter, 2.5 x 10, 0.5 Micron - IFilters
iFilters CBSM-2510 Coconut Shell CTO Carbon Block Drinking Water Filter – 2.5" x 10", 0.5 Micron
iFilters

iFilters CBSM-2510 Coconut Shell CTO, Carbon Block Drinking Water Filter, 2.5 x 10, 0.5 Micron

CBSM-2510
in stock

$19.99 - $19.99
$19.99
$19.99 - $19.99
$19.99

iFilters CBSM-2510 Coconut Shell CTO Carbon Block Drinking Water Filter – 2.5" x 10", 0.5 Micron High-Performance Filtration for Clean, Great-Tasti...

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$19.99 - $19.99
$19.99
$19.99 - $19.99
$19.99
3D
iFilters

Aquarium 3 Stage Reverse Osmosis System AQ-M100, Compact 100 GPD

AQ-M100
in stock
$69.99 - $69.99
$69.99
$69.99 - $69.99
$69.99

The AQ-M100 is a mighty compact 3-stage RO unit that provides excellent RO filtered water using sediment and carbon pre-filter cartridges with a me...

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$69.99 - $69.99
$69.99
$69.99 - $69.99
$69.99
iFilters - Smart Pack Water Filters - 1 Micron Smart Pack Pleated Filter 2.5" X 9 3/4" - 4 Pack - IFilters
Smart Pack

iFilters - Smart Pack Water Filters - 1 Micron Smart Pack Pleated Filter 2.5" X 9 3/4" - 4 Pack

IF4-SPC-25-1001
in stock
$34.99 - $34.99
$34.99
$34.99 - $34.99
$34.99

iFilters - Smart Pack Water Filters - These 1 Micron Polyester Pleated Cartridges are manufactured from durable polyester to provide you with a sup...

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$34.99 - $34.99
$34.99
$34.99 - $34.99
$34.99
Smart Packs Inline Filter 2000 Gal, 2"x10", 1/4" Quick Connect - IFilters
Smart Pack

Smart Packs Inline Filter 2000 Gal, 2"x10", 1/4" Quick Connect

IF2-ICF-10Q
in stock
$15.99 - $15.99
$15.99
$15.99 - $15.99
$15.99

The Smart Packs Inline Filters utilize NSF listed coconut shell GAC and are designed to remove unpleasant taste and odor and reduce sediment to pro...

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$15.99 - $15.99
$15.99
$15.99 - $15.99
$15.99
5 micron Smart Pack Pleated Filter 2.5" X 9 3/4" - 4 Pack - IFilters
Smart Pack

5 micron Smart Pack Pleated Filter 2.5" X 9 3/4" - 4 Pack

IF4-SPC-25-1005
in stock
$29.99 - $29.99
$29.99
$29.99 - $29.99
$29.99

These 5 micron Polyester Pleated Cartridges are manufactured from durable polyester to provide you with a superior pleated cartridge that is durabl...

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$29.99 - $29.99
$29.99
$29.99 - $29.99
$29.99
iFilters Smart Pack Water Filters - 10 micron Smart Pack Pleated Filter 2.5" X 9 3/4" - 4 Pack
Smart Pack

iFilters Smart Pack Water Filters - 10 micron Smart Pack Pleated Filter 2.5" X 9 3/4" - 4 Pack

IF4-SPC-25-1010
in stock
$28.99 - $28.99
$28.99
$28.99 - $28.99
$28.99

iFilters Smart Pack Water Filters - These 10-micron Polyester Pleated Cartridges are manufactured from durable polyester to provide you with a supe...

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$28.99 - $28.99
$28.99
$28.99 - $28.99
$28.99
Omnifilter ROR2050 Replacement Filter Pack - IFilters
Smart Pack

Omnifilter ROR2050 Replacement Filter Pack

ROR2050-S3-S06
in stock
$17.58 - $17.58
$17.58
$17.58 - $17.58
$17.58

The Omnifilter ROR2050 Replacement Filter Pack comes with an RS14 style inline filter cartridge. This Omnifilter replacement reverse osmosis kit in...

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$17.58 - $17.58
$17.58
$17.58 - $17.58
$17.58
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
Pentek 10" PP String Big Blue Sediment Filter -10M - IFilters
Pentair

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

WPX10BB97P
Out of 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
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