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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

Aquatrol MED-GCS-1240 – High-Performance Granular Activated Carbon (GAC), 1 CU. FT.
Aquatrol

Aquatrol MED-GCS-1240 High-Performance Activated Granular Activated Carbon GAC, 1 CUFT

MED-GCS-1240
in stock
$128.98 - $128.98
$128.98
$128.98 - $128.98
$128.98

Aquatrol MED-GCS-1240 – High-Performance Granular Activated Carbon (GAC), 1 CUFT The Aquatrol MED-GCS-1240 is a premium-grade coconut shell granula...

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$128.98 - $128.98
$128.98
$128.98 - $128.98
$128.98
Polaris Scientific UVA-80B – 80 GPM Light Commercial UV Ultraviolet Water Deactivation System
Polaris Scientific

Polaris Scientific UVA-80B 80 GPM Commercial Ultraviolet Water System

UVA-80B
in stock
$2,899.95 - $2,899.95
$2,899.95
$2,899.95 - $2,899.95
$2,899.95

Polaris Scientific UVA-80B – 80 GPM Light Commercial UV Ultraviolet Water Deactivation System The Polaris Scientific UVA-80B is a high-performance ...

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$2,899.95 - $2,899.95
$2,899.95
$2,899.95 - $2,899.95
$2,899.95
Aquatrol MED-MB9IG – Mixed Bed Deionization (DI) Resin Media, 1 CuFt
Aquatrol

Aquatrol MED-MB9IG DI Mixed Bed Deionization TDS Filtration Resin Media, 1 CuFt

MED-MB9IG
in stock
$299.00 - $299.00
$299.00
$299.00 - $299.00
$299.00

Aquatrol MED-MB9IG – Mixed Bed Deionization (DI) Resin Media, 1 CuFt The Aquatrol MED-MB9IG is a high-performance mixed bed deionization (DI) resin...

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$299.00 - $299.00
$299.00
$299.00 - $299.00
$299.00
Jumbo Filter Cartridges for HBCJ/SC Housings 20 Micron - IFilters
HydroScientific

Jumbo Filter Cartridges for HBCJ/SC Housings 20 Micron

HSC-170-20
in stock
$150.00 - $150.00
$150.00
$150.00 - $150.00
$150.00

The HydroScientific HSC-170-20 is a Certified Jumbo filter for HBCJ/SC Housings. Microns: 20 Max Flow Rate: 150 GPM Max Temp.: 140 Degrees F ...

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$150.00 - $150.00
$150.00
$150.00 - $150.00
$150.00
PRO+AQUA

Carbon Infused Replacement Filter For PRO-SCI and PRO-100-E ELITE GEN2 Whole-House Well Water

FC-19-ACB
in stock

$69.95 - $69.95
$69.95
$69.95 - $69.95
$69.95

Ensure your water filtration system continues to deliver exceptional performance with the FC-19-ACB replacement filter. Engineered with Activated C...

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$69.95 - $69.95
$69.95
$69.95 - $69.95
$69.95
Hydro Guard HDGT-SED5 First Stage Twist-Style Sediment Pre-Filter – OEM Replacement
Hydro Guard

Hydro Guard HDGT-SED5 Sediment Replacement Filter for HDGT-45 Systems

HDGT-SED5
in stock
$15.99 - $15.99
$15.99
$15.99 - $15.99
$15.99

Hydro Guard HDGT-SED5 First Stage Twist-Style Sediment Pre-Filter – OEM Replacement Ensure optimal filtration performance with the Hydro Guard HDGT...

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$15.99 - $15.99
$15.99
$15.99 - $15.99
$15.99
Hydro Guard HDGT-CB5 Carbon Block Replacement Pre Filter for HDGT-45 Systems
Hydro Guard

Hydro Guard HDGT-CB5 Carbon Block Replacement Pre Filter for HDGT-45 Systems

HDGT-CB5
in stock
$23.99 - $23.99
$23.99
$23.99 - $23.99
$23.99

Hydro Guard HDGT-CB5 Second Stage Twist-Style Carbon Block Pre-Filter – OEM Replacement Enhance your water quality and filtration efficiency with t...

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$23.99 - $23.99
$23.99
$23.99 - $23.99
$23.99
Hydronix SDC-25-1001 RO Reverse Osmosis Sediment Water Filter 2.5" X 10", 1 μm
(3 Pack) Hydronix SDC-25-1001 RO Reverse Osmosis Sediment Water Filter 2.5" X 10", 1 μm - IFilters
Hydronix

(3 Pack) Hydronix SDC-25-1001 RO Reverse Osmosis Sediment Water Filter 2.5" X 10", 1 μm

SDC-25-1001/3
in stock
$21.99 - $21.99
$21.99
$21.99 - $21.99
$21.99

(3 Pack) The Hydronix SDC-25-1001 is a 1-micron polypropylene sediment filter designed for universal compatibility with standard Reverse Osmosis, W...

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$21.99 - $21.99
$21.99
$21.99 - $21.99
$21.99
Hydro Scientific SPX-45-20100 Polyester Pleated Cartridges - SPX Series 4.5" x 20" - 100 micron - IFilters
HydroScientific

Hydro Scientific SPX-45-20100 Polyester Pleated Cartridges - SPX Series 4.5" x 20" - 100 micron

SPX-45-20100
in stock
$35.99 - $35.99
$35.99
$35.99 - $35.99
$35.99

100 Micron Pleated Polyester Filter Cartridge – SPX-45-20100 – 4.5" x 20" – Hydro Scientific SPX Series Product image shown is a representation onl...

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$35.99 - $35.99
$35.99
$35.99 - $35.99
$35.99
Polaris Scientific - UVA-418HO UV Disinfection System – 18 GPM High Output for Water Purification - IFilters
Polaris Scientific

Polaris Scientific - UVA-418HO UV Disinfection System – 18 GPM High Output for Water Purification

UVA-418HO
in stock
$599.00 - $599.00
$599.00
$599.00 - $599.00
$599.00

Polaris Scientific UVA-418HO High Output UV Disinfection System – 18 GPM Water Sterilizer The Polaris Scientific UVA-418HO Ultraviolet Disinfectio...

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$599.00 - $599.00
$599.00
$599.00 - $599.00
$599.00
Polaris Scientific - UVA-630HO UV Disinfection System – 30 GPM High Output for Water Purification - IFilters
Polaris Scientific

Polaris Scientific - UVA-630HO UV Disinfection System – 30 GPM High Output for Water Purification

UVA-630HO
in stock
$799.00 - $799.00
$799.00
$799.00 - $799.00
$799.00

Polaris Scientific UVA-630HO High-Capacity UV Disinfection System – 30 GPM Water Sterilizer The Polaris UVA-630HO Ultraviolet Disinfection System ...

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$799.00 - $799.00
$799.00
$799.00 - $799.00
$799.00
Polaris Scientific - UVA-946HO UV Disinfection System – 46 GPM High Output for Water Purification - IFilters
Polaris Scientific

Polaris Scientific - UVA-946HO UV Disinfection System – 46 GPM High Output for Water Purification

UVA-946HO
in stock
$999.00 - $999.00
$999.00
$999.00 - $999.00
$999.00

Polaris Scientific UVA-946HO High-Capacity UV Disinfection System – 46 GPM Industrial Water Sterilizer The Polaris UVA-946HO Ultraviolet Disinfect...

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$999.00 - $999.00
$999.00
$999.00 - $999.00
$999.00
Hydron - HSW-2521-PRO - Seawater Commercial Membrane 2.5" x 21" (800psi- 1200psi) 270GPD - IFilters
Sale Sale
Hydron

Hydron - HSW-2521-PRO - Seawater Commercial Membrane 2.5" x 21" (800psi- 1200psi) 270GPD

HSW-2521-PRO
in stock
$269.00
$269.00 - $269.00
$269.00
$239.99
$239.99 - $239.99
$239.99

Hydron HSW-2521-PRO 2.5" x 21" Seawater RO Membrane – 270 GPD, 800-1200 PSI – Industrial Fiberglass Shell, ISO 9001 Certified High-Efficiency Seawa...

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$269.00
$269.00 - $269.00
$269.00
$239.99
$239.99 - $239.99
$239.99
Sale Sale
Hydron - HSW-2540-PRO - Seawater Commercial Membrane 2.5" x 40" (800psi- 1200psi) 600GPD - IFilters
Sale Sale
Hydron

Hydron - HSW-2540-PRO - Seawater Commercial Membrane 2.5" x 40" (800psi- 1200psi) 600GPD

HSW-2540-PRO
in stock
$360.00
$360.00 - $360.00
$360.00
$295.71
$295.71 - $295.71
$295.71

Seawater Membranes - Hydron HSW-2540-PRO Commercial Seawater RO Membrane – 2.5" x 40" (800-1200 PSI) – Fiberglass Shell, High Performance, ISO 900...

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$360.00
$360.00 - $360.00
$360.00
$295.71
$295.71 - $295.71
$295.71
Sale Sale
HydroScientific HSC-40-1 Series 1 Micron, High Flow Jumbo Pleated Polyester Filter - IFilters
HydroScientific HSC-40-1 Series 1 Micron, High Flow Jumbo Pleated Polyester Filter - IFilters
HydroScientific

HydroScientific HSC-40-1 Series 1 Micron, High Flow Jumbo Pleated Polyester Filter

HSC-40-1
in stock
$66.25 - $66.25
$66.25
$66.25 - $66.25
$66.25

The HydroScientifc™ Jumbo HSC-40-1 Pleated Polyester Filter Cartridges are high flow performance cartridges designed to meet or exceed operational ...

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$66.25 - $66.25
$66.25
$66.25 - $66.25
$66.25
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
Aquasure

Aquasure Premier Advanced Series 4-Stage 75 GPD Reverse Osmosis Water Filtration System Chrome Faucet Clean Drinking Water Solution

AS-PR75A
in stock

$189.99 - $189.99
$189.99
$189.99 - $189.99
$189.99

OverviewThe Aquasure Premier Series Advanced 75 GPD Reverse Osmosis Drinking Water System offers the perfect solution for delivering clean, refres...

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$189.99 - $189.99
$189.99
$189.99 - $189.99
$189.99
Aquasure Premier Advanced Series 4-Stage Reverse Osmosis System + Alkaline Remineralizing Filter – 75 GPD Clean Drinking Water - IFilters
Aquasure Premier Advanced Series 4-Stage Reverse Osmosis System + Alkaline Remineralizing Filter – 75 GPD Clean Drinking Water - IFilters
Aquasure

Aquasure Premier Advanced Series 4-Stage Reverse Osmosis System + Alkaline Remineralizing Filter – 75 GPD Clean Drinking Water

AS-PR75AK
in stock
$219.99 - $219.99
$219.99
$219.99 - $219.99
$219.99

OverviewThe Aquasure Premier Series Advanced 75 GPD Reverse Osmosis Drinking Water System with Alkaline Remineralizing Filter enhances your water w...

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$219.99 - $219.99
$219.99
$219.99 - $219.99
$219.99
Aquasure Premier Pro Series 4-Stage Reverse Osmosis System + LED Faucet – 100 GPD High Capacity Water Filtration - IFilters
Aquasure Premier Pro Series 4-Stage Reverse Osmosis System + LED Faucet – 100 GPD High Capacity Water Filtration - IFilters
Aquasure

Aquasure Premier Pro Series 4-Stage Reverse Osmosis System + LED Faucet – 100 GPD High Capacity Water Filtration

AS-PR100P
in stock
$239.99 - $239.99
$239.99
$239.99 - $239.99
$239.99

OverviewThe Aquasure Premier Pro Series Advanced 100 GPD Reverse Osmosis Drinking Water System delivers high-volume, purified water straight from y...

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$239.99 - $239.99
$239.99
$239.99 - $239.99
$239.99
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...

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$339.99 - $339.99
$339.99
$339.99 - $339.99
$339.99
Aquasure

Aquasure Harmony Lite 32,000 Grain Cabinet Water Softener – Compact All-in-One System

AS-HL32C
Out of stock
$469.99 - $549.99
$469.99 - $549.99
$469.99 - $549.99
$469.99

Overview Introducing the Aquasure Harmony Lite 32,000 Grains All-in-One Whole House Water Softener (AS-HL32A), a compact and high-performance solut...

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$469.99 - $549.99
$469.99 - $549.99
$469.99 - $549.99
$469.99
Aquasure

Aquasure Harmony Lite 34,000 Grain Water Softener – Space-Saving Cabinet System

AS-HL34A
Out of stock
$489.99 - $569.99
$489.99 - $569.99
$489.99 - $569.99
$489.99

Overview The Aquasure Harmony Lite 34,000 Grains All-in-One Whole House Water Softener (AS-HL34A) is a compact, high-efficiency solution designed t...

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$489.99 - $569.99
$489.99 - $569.99
$489.99 - $569.99
$489.99
Aquasure Harmony 32,000 Grain Water Softener with Fine Mesh Resin – Iron & Hard Water Filter - IFilters
Aquasure Harmony 32,000 Grain Water Softener with Fine Mesh Resin – Iron & Hard Water Filter - IFilters
Aquasure

Aquasure Harmony 32,000 Grain Water Softener with Fine Mesh Resin – Iron & Hard Water Filter

AS-HS32FM
in stock
$569.99 - $569.99
$569.99
$569.99 - $569.99
$569.99

Overview The Aquasure Harmony Series 32,000 Grains Whole House Water Softener with Fine Mesh Resin (AS-HS32FM) is designed for homes or businesses ...

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$569.99 - $569.99
$569.99
$569.99 - $569.99
$569.99
Aquasure Harmony 48,000 Grain Water Softener with Fine Mesh Resin – Iron-Reducing Whole House System - IFilters
Aquasure Harmony 48,000 Grain Water Softener with Fine Mesh Resin – Iron-Reducing Whole House System - IFilters
Aquasure

Aquasure Harmony 48,000 Grain Water Softener with Fine Mesh Resin – Iron-Reducing Whole House System

AS-HS48FM
in stock
$679.99 - $679.99
$679.99
$679.99 - $679.99
$679.99

Overview The Aquasure Harmony Series 48,000 Grains Whole House Water Softener with Fine Mesh Resin (AS-HS48FM) uses an advanced ion exchange proces...

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$679.99 - $679.99
$679.99
$679.99 - $679.99
$679.99
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