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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

Shower Filter Cartridge Variations
iFilters

Shower Filter Replacement Cartridge, Dechlorinating & pH Balancing, 4 Stages

IF-SF-CR
in stock

$18.32 - $18.32
$18.32
$18.32 - $18.32
$18.32

This OEM iFilters replacement cartridge is used in the iFilters IF-SF-CH and IF-SF-WH shower filters as well as other similar shower filters. This ...

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$18.32 - $18.32
$18.32
$18.32 - $18.32
$18.32
Polaris UVA-1C UV Purifier De-Activator For RO & Drinking Water Systems 1 GPM - IFilters
Polaris UVA-1C UV Purifier De-Activator For RO & Drinking Water Systems 1 GPM - IFilters
Polaris Scientific

Polaris UVA-1C UV Purifier De-Activator For RO & Drinking Water Systems 1 GPM

UVA-1C
in stock

$88.99 - $88.99
$88.99
$88.99 - $88.99
$88.99

Polaris UVA-1C Whole House UV Ultraviolet Water De-Activating System 1 GPM with 9000 Hour Bulb.

$88.99 - $88.99
$88.99
$88.99 - $88.99
$88.99
Polaris UVA-2C UV Deactivator For RO & Drinking Water Systems 2 GPM - IFilters
Polaris Scientific

Polaris UVA-2C UV Deactivator For RO & Drinking Water Systems 2 GPM

UVA-2C
in stock

$115.50 - $115.50
$115.50
$115.50 - $115.50
$115.50

Polaris UVA-2C Whole House UV Ultraviolet Deactivator System 2 GPM with 9000 Hour Bulb. When Quality and Performance Matters, you can count on Pola...

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$115.50 - $115.50
$115.50
$115.50 - $115.50
$115.50
Polaris UVA-4C UV Deactivator For RO & Drinking Water Systems 4 GPM - IFilters
Polaris Scientific

Polaris UVA-4C UV Deactivator For RO & Drinking Water Systems 4 GPM

UVA-4C
in stock
$199.00 - $199.00
$199.00
$199.00 - $199.00
$199.00

Polaris UVA-4C Whole House UV Ultraviolet Deactivator System 4 GPM with 9000 Hour Bulb. This Polaris UV system Meets Food, Medical and Lab Requirem...

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$199.00 - $199.00
$199.00
$199.00 - $199.00
$199.00
Polaris UVA-6C Ultraviolet Deactivator Water System, 6 GPM - IFilters
Polaris Scientific

Polaris UVA-6C Ultraviolet Deactivator Water System, 6 GPM

UVA-6C
in stock
$229.00 - $229.00
$229.00
$229.00 - $229.00
$229.00

Polaris UVA-6C Whole House UV Ultraviolet Deactivator System 6 GPM with 9000 Hour Bulb. When Quality and Performance Matters, you can count on Pola...

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$229.00 - $229.00
$229.00
$229.00 - $229.00
$229.00
Polaris UVA-8C UV Deactivator Home Commercial Drinking Water, 8 GPM - IFilters
Polaris Scientific

Polaris UVA-8C UV Deactivator Home Commercial Drinking Water, 8 GPM

UVA-8C
in stock

$275.00 - $275.00
$275.00
$275.00 - $275.00
$275.00

Polaris UVA-8C Whole House UV Ultraviolet Deactivator System 8 GPM with 9000 Hour Bulb. The perfect addition for home filtration systems needing ad...

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$275.00 - $275.00
$275.00
$275.00 - $275.00
$275.00
Booster Pump Kit for Reverse Osmosis RO DI Systems Up To 50 GPD, 1/4" QC Ports - IFilters
Booster Pump Kit for Reverse Osmosis RO DI Systems Up To 50 GPD, 1/4" QC Ports - IFilters
Hydronix

Booster Pump Kit for Reverse Osmosis RO DI Systems Up To 50 GPD, 1/4" QC Ports

BP50KIT
in stock

$135.99 - $135.99
$135.99
$135.99 - $135.99
$135.99

iFilters has combined top quality components to create the best RO DI booster pump in the market. The BP50KIT includes all the components needed to...

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$135.99 - $135.99
$135.99
$135.99 - $135.99
$135.99
iFilters Whole House Sediment Filter for Dirt, Sand, Silt, Rust and Scale - Clear Housing - 3/4" Ports - Pressure Relief Button - IFilters
iFilters Whole House Sediment Filter for Dirt, Sand
iFilters

iFilters Whole House Sediment Filter for Dirt, Sand, Silt, Rust and Scale - Clear Housing - 3/4" Ports - Pressure Relief Button

LWHSD
in stock

$44.00 - $44.00
$44.00
$44.00 - $44.00
$44.00

The iFilters LWHSD Whole House Water Filter reduces dirt, sand, silt, rust, and scale particles and has a flow rate of Up to 8 gallons per minute (...

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$44.00 - $44.00
$44.00
$44.00 - $44.00
$44.00
iFilters Whole House GAC Filter System for Sediment, Chlorine Taste & Odor - Clear Housing - 3/4" Ports - Pressure Relief Button - IFilters
iFilters Whole House GAC Filter System for Sediment, Chlorine Taste & Odor - Clear Housing - 3/4" Ports - Pressure Relief Button - IFilters
iFilters

iFilters Whole House GAC Filter System for Sediment, Chlorine Taste & Odor - Clear Housing - 3/4" Ports - Pressure Relief Button

LWHGAC
in stock
$45.00 - $45.00
$45.00
$45.00 - $45.00
$45.00

The iFilters LWHGAC Whole House Water Filter reduces and filters sediment, rust, chlorine taste and odor and has a flow rate of 3 gallons per minut...

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$45.00 - $45.00
$45.00
$45.00 - $45.00
$45.00
iFilters LWH-D Whole House Water Filter System Sediment CTO City/Well Water Filtration - IFilters
LWH-D Variations
iFilters

iFilters LWH-D Whole House Water Filter System Sediment CTO City/Well Water Filtration

LWH-D
in stock

$85.99 - $85.99
$85.99
$85.99 - $85.99
$85.99

iFilters LWH-D Whole House Dual Stage Water Filter System For Sediment & CTO Filtration – Ideal for City & Well Water The iFilters LWH-D is...

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$85.99 - $85.99
$85.99
$85.99 - $85.99
$85.99
Whole House Sediment & Rust Complete Filtration System w/ Clear Housing 1" Ports - IFilters
iFilters

Whole House Sediment & Rust Complete Filtration System w/ Clear Housing 1" Ports

MWHSD
in stock
$99.95 - $99.95
$99.95
$99.95 - $99.95
$99.95

The iFilters MWHSD 10" Clear Heavy Duty Whole House Water Filter System comes complete with a high capacity string wound sediment filter and featur...

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$99.95 - $99.95
$99.95
$99.95 - $99.95
$99.95
iFilters

Whole House Water Filtration System 2 Stage Sediment Chlorine Taste Odor VOCs 1" Ports

MWH-D
in stock

$159.99 - $159.99
$159.99
$159.99 - $159.99
$159.99

The iFilters MWH-D Dual stage 4.5" x 10" Whole House Water Filter System comes complete with a high capacity String-wound Polypropylene sediment fi...

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$159.99 - $159.99
$159.99
$159.99 - $159.99
$159.99
Well Water Filtration Sediment System Pleated Washable Filter, Clear, 1" Ports - IFilters
iFilters

Well Water Filtration Sediment System Pleated Washable Filter, Clear, 1" Ports

MWHSD-WELL
in stock

$119.99 - $119.99
$119.99
$119.99 - $119.99
$119.99

The iFilters MWHSD-WELL 10" Clear Heavy Duty Whole House Well Water Filter System comes complete with a high quality reusable/washable chemical res...

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$119.99 - $119.99
$119.99
$119.99 - $119.99
$119.99
iFilters

MWH-D-WELL Well Water Filtration System Sediment Odor Taste Rust Whole House, 1" Ports | iFilters

MWH-D-WELL
in stock

$221.36 - $221.36
$221.36
$221.36 - $221.36
$221.36

iFilters MWH-D-WELL Whole House Well Water Filtration System – Dual-Stage Well Pump Filter with 1" Ports for Sediment, Odor & Rust Removal Prem...

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$221.36 - $221.36
$221.36
$221.36 - $221.36
$221.36
Whole House Sediment & Rust Complete Filtration System with Clear Housing 20" - 1" Ports - IFilters
Whole House Sediment & Rust Complete Filtration System with Clear Housing 20" - 1" Ports - IFilters
iFilters

Whole House Sediment & Rust Complete Filtration System with Clear Housing 20" - 1" Ports

MWHSD20
in stock

$139.99 - $139.99
$139.99
$139.99 - $139.99
$139.99

The iFilters MWHSD20 20" Clear Heavy Duty Whole House Water Filter System comes complete with a 5 micron high capacity string wound sediment filter...

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$139.99 - $139.99
$139.99
$139.99 - $139.99
$139.99
iFilters

Whole House Filter System 2 Stage 20" Sediment Chlorine Taste Odor VOCs 1" Ports

MWH-D20
in stock
$209.99 - $209.99
$209.99
$209.99 - $209.99
$209.99

The iFilters MWH-D20 Dual stage 4.5" x 20" Whole House Water Filter System comes complete with a high capacity String-wound Polypropylene sediment ...

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$209.99 - $209.99
$209.99
$209.99 - $209.99
$209.99
Well Water 20" Filtration Sediment System Pleated Washable Filter, 1" Ports - IFilters
MWHSD Variations
iFilters

Well Water 20" Filtration Sediment System Pleated Washable Filter, 1" Ports

MWHSD20-WELL
in stock

$149.99 - $149.99
$149.99
$149.99 - $149.99
$149.99

The iFilters MWHSD20-WELL 20" Clear Heavy Duty Whole House Well Water Filter System comes complete with a high quality reusable/washable chemical r...

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$149.99 - $149.99
$149.99
$149.99 - $149.99
$149.99
iFilters

iFilters Dual-Stage Whole House Well Water Filtration System – Reduces Rust, Iron, Sediment, Sulfur Odors & Taste – 4.5″ × 20″ Housing, 1″ Ports

MWH-D20-WELL
in stock

$259.99 - $259.99
$259.99
$259.99 - $259.99
$259.99

Keep your home’s water clean, clear, and great-tasting with the iFilters Dual-Stage Whole House Well Water Filtration System. Specifically designed...

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$259.99 - $259.99
$259.99
$259.99 - $259.99
$259.99
iFilters XWH-1000 or XWH-1000-KDF85 Whole House Water Filtration System 1,000,000 gal capacity w/Pre-filter, GAC/KDF (SP30-4510) - IFilters
iFilters XWH-600-KDF85 Whole House Water Filtration System 600,000 gal capacity w/Pre-filter, GAC/KDF (SP30-4510)
iFilters

iFilters XWH-600 Whole House Water Filtration System 600,000 gal capacity w/Pre-filter, GAC/KDF (SP30-4510)

XWH-600
in stock

$499.99 - $499.99
$499.99
$499.99 - $499.99
$499.99

iFilters XWH-600 Whole House Water Filtration System – 600,000 Gallon Capacity High-Performance Filtration for Cleaner, Healthier Water The iFilter...

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$499.99 - $499.99
$499.99
$499.99 - $499.99
$499.99
iFilters XWH-1000 or XWH-1000-KDF85 Whole House Water Filtration System 1,000,000 gal capacity w/Pre-filter, GAC/KDF (SP30-4510) - IFilters
iFilters XWH-1000 or XWH-1000-KDF85 - Whole House Water Filtration System | 1,000,000 Gallon Capacity w/ Pre-Filter & GAC/KDF (SP30-4510)
iFilters

iFilters XWH-1000 or XWH-1000-KDF85 Whole House Water Filtration System 1,000,000 gal capacity w/Pre-filter, GAC/KDF (SP30-4510)

XWH-1000
in stock

$699.99 - $750.00
$699.99 - $750.00
$699.99 - $750.00
$699.99

iFilters XWH-1000 Whole House Water Filtration System – 1,000,000 Gallon Capacity with Pre-Filter & GAC/KDF (SP30-4510)

$699.99 - $750.00
$699.99 - $750.00
$699.99 - $750.00
$699.99
iFilters

Water Softener Resin Media High Quality Replacement Cation Ion Exchange 1/2 CuFt

MED-CAT-025/2
in stock

$79.99 - $79.99
$79.99
$79.99 - $79.99
$79.99

Half a Cubic Foot, perfect for portable water softeners needing resin media replacement. 100% compatible replacement for any water softener system ...

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$79.99 - $79.99
$79.99
$79.99 - $79.99
$79.99
iFilters

Water Softener Resin High Quality Replacement Cation 100% Ion Exchange 0.25 CuFt

MED-CAT-025
in stock

$45.00 - $45.00
$45.00
$45.00 - $45.00
$45.00

0.25 Cubic Foot, perfect for portable water softeners needing resin media replacement. 100% compatible replacement for any water softener system us...

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$45.00 - $45.00
$45.00
$45.00 - $45.00
$45.00
Aquasure

Harmony Series | 32,000 (32k) Grains Water Softener | 1-2 Bathrooms | Up to 3 People

AS-HS32D
in stock
$499.99 - $499.99
$499.99
$499.99 - $499.99
$499.99

$499.99 - $499.99
$499.99
$499.99 - $499.99
$499.99
Aquasure

Harmony Series | 48,000 (48k) Grains Water Softener | 3-4 Bathrooms | Up to 5 People

AS-HS48D
in stock

$599.99 - $599.99
$599.99
$599.99 - $599.99
$599.99

Harmony Series 48,000 Grains Whole House Water Softener (AS-HS48D) Premium Whole Home Water Softening System | 5-Year Warranty | Advanced Digital M...

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$599.99 - $599.99
$599.99
$599.99 - $599.99
$599.99
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