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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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SP30-KDF1-4510 Variations
iFilters

iFilters SP30-KDF1-4510 Sediment and GAC/KDF Replacement Filter - 4.5" x 10"

SP30-KDF1-4510
in stock

$80.00 - $80.00
$80.00
$80.00 - $80.00
$80.00

iFilters SP30-KDF1-4510 Whole House Sediment & GAC/KDF Replacement Filter – 4.5" x 10" Upgrade your home's water filtration with the iFilters S...

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$80.00 - $80.00
$80.00
$80.00 - $80.00
$80.00
Auto Ship
iFilters RO-50KIT Smart Pack Water Filters Reverse Osmosis Replacement Filter Set RO Cartridges 5 pcs w/ 50 GPD Membrane
iFilters RO-50KIT Smart Pack Water Filters Reverse Osmosis Replacement Filter Set RO Cartridges 5 pcs w/ 50 GPD Membrane
Smart Pack

iFilters RO-50KIT Smart Pack Water Filters Reverse Osmosis Replacement Filter Set RO Cartridges 5 pcs w/ 50 GPD Membrane

RO-50KIT
in stock

$39.99 - $39.99
$39.99
$39.99 - $39.99
$39.99

Hydronix Reverse Osmosis (RO) Replacement Filter Set – 5 Stage Kit (50 GPD Membrane, 5 Pcs) Compatible with Standard 5-Stage RO Systems The Hydroni...

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$39.99 - $39.99
$39.99
$39.99 - $39.99
$39.99
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(2 Pack) Genuine Hydro Guard HDG-CB6-14/2 - CB6 Carbon Block Water Filter For MP Systems
HDG-CB-6-14 Variations
Hydro Guard

(2 Pack) Genuine Hydro Guard HDG-CB6-14/2 - CB6 Carbon Block Water Filter For MP Systems

HDG-CB6-14/2
in stock

$64.99 - $64.99
$64.99
$64.99 - $64.99
$64.99

(2 Pack) Genuine Hydro Guard HDG-CB6-14 Carbon Block Water Filter – Compatible with MP Systems Only looking for 1 filter? Order here: HDG-CB6-14 Th...

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$64.99 - $64.99
$64.99
$64.99 - $64.99
$64.99
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SP30-KDF1-4510 Variations
iFilters

iFilters SP30-KDF2-4520 Whole House Sediment & KDF Water Filter Set, 30 Micron 4.5"x20"

SP30-KDF2-4520
in stock

$119.00 - $119.00
$119.00
$119.00 - $119.00
$119.00

iFilters SP30-KDF2-4520 Whole House Sediment & KDF Water Filter Set – 30 Micron, 4.5" x 20" Upgrade your home's water filtration system with th...

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$119.00 - $119.00
$119.00
$119.00 - $119.00
$119.00
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iFilters Smart Pack Water Filters RO-100KIT Reverse Osmosis Replacement Filter Set RO Cartridges 5 pcs w/ 100 GPD Membrane
iFilters Smart Pack Water Filters RO-100KIT Reverse Osmosis Replacement Filter Set RO Cartridges 5 pcs w/ 100 GPD Membrane
Smart Pack

iFilters Smart Pack Water Filters RO-100KIT Reverse Osmosis Replacement Filter Set RO Cartridges 5 pcs w/ 100 GPD Membrane

RO-100KIT
in stock

$47.99 - $47.99
$47.99
$47.99 - $47.99
$47.99

iFilters Smart Pack RO-100KIT – 5-Stage Reverse Osmosis Replacement Filter Set (100 GPD Membrane) High-Performance 5-Stage RO Filtration for Superi...

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$47.99 - $47.99
$47.99
$47.99 - $47.99
$47.99
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(2 Pack) Smart Pack Water Filters IF2-HDG-CB-6-14 CB6 Carbon Block Water Filter Replacement, MP MPC Systems
(2 Pack) Smart Pack Water Filters IF2-HDG-CB-6-14 CB6 Carbon Block Water Filter Replacement, MP MPC Systems
Smart Pack

Smart Pack CB6 2-Pack 0.5-Micron Carbon Block Under-Sink Water Filter Replacement | Multipure Aquaversa Compatible – 2.5″ x 6.5″

IF2-HDG-CB-6-14
in stock

$57.00 - $57.00
$57.00
$57.00 - $57.00
$57.00

Deliver fresh, better-tasting water to your home with the Smart Pack QC-CB6 2-Pack Carbon Block Replacement Filters, made for Multipure Aquaversa a...

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$57.00 - $57.00
$57.00
$57.00 - $57.00
$57.00
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Hydro Guard HDG-45 (Drop In) Reverse Osmosis Filter Replacement Set
Hydro Guard

Hydro Guard HDG-45-SET (Drop In) Reverse Osmosis Filter Replacement Set

HDG-45-SET
in stock

$78.00 - $78.00
$78.00
$78.00 - $78.00
$78.00

OEM Replacement Water Filter Cartridge Set for Hydro Guard HDG-45-SET 4-Stage Drop-In Reverse Osmosis System Keep your water filtration system oper...

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$78.00 - $78.00
$78.00
$78.00 - $78.00
$78.00
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iFilters Sediment Grooved Water Filter Cartridge for LWHSD V2, LWH-D V2 Systems - IFilters
iFilters

iFilters Sediment Grooved Water Filter Cartridge for LWHSD V2, LWH-D V2 Systems

SG5-2509
in stock

$8.57 - $8.57
$8.57
$8.57 - $8.57
$8.57

The iFilters SG5-2509 are made of 100% pure polypropylene material. The iFilters SG5-2509 filters have deep grooves for a larger filtration area an...

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$8.57 - $8.57
$8.57
$8.57 - $8.57
$8.57
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(2 Pack) Smart Pack Water Filters IF2-CB8 (CB8) Carbon Block Water Filter Compatible with Amway E-84, E-85, A101, E-9225- 2 Pack
Smart Pack

Smart Pack IF2-CB8 Replacement Water Filter – 0.5 Micron Carbon Block for Amway E-84, E-85, A101 & E-9225 2 Pack

IF2-CB8
in stock

$75.99 - $75.99
$75.99
$75.99 - $75.99
$75.99

Upgrade your drinking water with the Smart Pack QC2-CB8 2-Pack Carbon Block Water Filters, a premium replacement for Amway E-84, E-85, A101, and E-...

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$75.99 - $75.99
$75.99
$75.99 - $75.99
$75.99
PRO+AQUA PRO-WELL-1E Whole House Well Water Filter System Iron, Sulfur, Manganese, 1 CuFt - IFilters
PRO+AQUA PRO-WELL-1E Whole House Well Water Filter System Iron, Sulfur, Manganese, 1 CuFt - IFilters
PRO+AQUA

PRO+AQUA PRO-WELL-1E Whole House Well Water Filter System Iron, Sulfur, Manganese, 1 CuFt

PRO-WELL-1E
Out of stock

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

PRO+AQUA PRO-WELL-1E Whole House Well Water Filter System – Iron, Sulfur, Manganese, 1 CuFt The PRO+AQUA PRO-WELL-1E Whole House Well Water Filter ...

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$599.99 - $599.99
$599.99
$599.99 - $599.99
$599.99
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iFilters SP30-4510 - Sediment Pleated Water Filter City or Well Water, Washable 4.5" x 10", 30 Micron - IFilters
iFilters

iFilters SP30-4510 - Sediment Pleated Water Filter City or Well Water, Washable 4.5" x 10", 30 Micron

SP30-4510
in stock

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

The SP30-4510 4.5" x 10" 30-micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pleated Filt...

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$19.99 - $19.99
$19.99
$19.99 - $19.99
$19.99
Aquatrol AQT-TH34-25 3/4" In & Out Water Softener or Filter Head – Fits 2.5" Port Tanks
Aquatrol

Aquatrol AQT-TH34-25 3/4" In and Out Water Softener or Filter Head For 2.5" Port Tanks

AQT-TH34-25
in stock

$24.95 - $24.95
$24.95
$24.95 - $24.95
$24.95

Aquatrol AQT-TH34-25 3/4" In & Out Water Softener or Filter Head – Fits 2.5" Port Tanks The Aquatrol AQT-TH34-25 Water Softener & Filter He...

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$24.95 - $24.95
$24.95
$24.95 - $24.95
$24.95
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iFilters SW-CB5-4520 Whole House Sediment & Carbon Block Water Filter Set – 5 Micron, 4.5" x 20"
iFilters

iFilters SW-CB5-4520 Whole House Sediment & Carbon Block Water Filter, 5 Micron 4.5"x20"

SW-CB5-4520
in stock

$59.99 - $59.99
$59.99
$59.99 - $59.99
$59.99

iFilters SW-CB5-4520 Whole House Sediment & Carbon Block Water Filter Set – 5 Micron, 4.5" x 20" Premium Dual-Stage Whole House Filtration for ...

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$59.99 - $59.99
$59.99
$59.99 - $59.99
$59.99
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Reverse Osmosis Replacement Filter Set RO Cartridges 4 stage w/ 50 GPD Membrane - IFilters
Reverse Osmosis Replacement Filter Set RO Cartridges 4 stage w/ 50 GPD Membrane - IFilters
Smart Pack

Reverse Osmosis Replacement Filter Set RO Cartridges 4 stage w/ 50 GPD Membrane

RO-50KIT4
in stock

$37.00 - $37.00
$37.00
$37.00 - $37.00
$37.00

4 Stage NSF Reverse Osmosis RO Replacement Water Filter Set with 50 GPD Membrane. For most standard 4 Stage RO system. Sediment, CTO Carbon Block, ...

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$37.00 - $37.00
$37.00
$37.00 - $37.00
$37.00
PRO+AQUA FC-PK-100E
PRO+AQUA FC-PK-100E Whole House Heavy Metals Well Water Filter Replacement Set – 3-Stage, 20", 5 Micron
PRO+AQUA

PRO+AQUA FC-PK-100E Whole House Heavy Metals Well Water Filter Replacement Set 3 Stage 20", 5 Micron

FC-PK-100E
Out of stock

$151.95 - $151.95
$151.95
$151.95 - $151.95
$151.95

PRO+AQUA FC-PK-100E Whole House Heavy Metals Well Water Filter Replacement Set – 3-Stage, 20", 5 Micron Upgrade your PRO+AQUA PRO-100-E Filtration ...

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$151.95 - $151.95
$151.95
$151.95 - $151.95
$151.95
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2 PK Carbon Block Drinking Water Filter Replacement for Lead Asbestos CTO
Hydronix

2 PK Carbon Block Drinking Water Filter Replacement for Lead Asbestos CTO

SMCB-2510/2
in stock

$23.00 - $23.00
$23.00
$23.00 - $23.00
$23.00

Hydronix SMCB-2510 carbon block filters are NSF/ANSI standard 42 certified for Material and structural Safety. SMCB-2520 filters have a particle re...

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$23.00 - $23.00
$23.00
$23.00 - $23.00
$23.00
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
PRO+AQUA FC-PK19-100E Replacement Filter Set for PRO-100-E ELITE GEN2 System, Sediment, KDF/Blend, Carbon Infused - IFilters
PRO+AQUA ELITE GEN2 Three-Stage Replacement Filter Set for PRO-100-E GEN2 System. Includes ACB - FC-19-ACB, CRK - FC-19-CRK and SED - FC-19-SED
PRO+AQUA

PRO+AQUA FC-PK19-100E Replacement Filter Set for PRO-100-E ELITE GEN2 System, Sediment, KDF/Blend, Carbon Infused

FC-PK19-100E
Out of stock

$0.00 - $0.00
$0.00
$151.95
$151.95 - $151.95
$151.95

PRO+AQUA ELITE GEN2 Three-Stage Replacement Filter Set for PRO-100-E GEN2 System Advanced Whole House Filtration for Superior Water Quality Designe...

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$0.00 - $0.00
$0.00
$151.95
$151.95 - $151.95
$151.95
Auto Ship
iFilters Smart Pack Water Filters IF-CB6 (CB6) Carbon Block Water Filter Replacement, MP MPC Systems
iFilters Smart Pack Water Filters IF-CB6 (CB6) Carbon Block Water Filter Replacement, MP MPC Systems
Sale Sale
Smart Pack

Smart Pack CB6 Compatible Carbon Block Water Filter Replacement – 0.5 Micron Under-Sink Cartridge for Multipure Aquaversa Systems

IF-CB6
in stock

$37.99
$37.99 - $37.99
$37.99
$34.99
$34.99 - $34.99
$34.99

Keep your drinking water clean, clear, and tasty with the Smart Pack QC-CB6 Carbon Block Water Filter Replacement, designed for Multipure Aquaversa...

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$37.99
$37.99 - $37.99
$37.99
$34.99
$34.99 - $34.99
$34.99
Sale Sale
Auto Ship
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
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iFilters SG5-P1-SET (LWH-D) Replacement Filter Set - Whole House 2 Stage Sediment - Rust & CTO Filters - 2.5 x 10 - Interchangeable with AP117 & AP110 Filter Models - IFilters
SG-GAC-SET Variations
iFilters

iFilters SG5-P1-SET (LWH-D) Replacement Filter Set - Whole House 2 Stage Sediment - Rust & CTO Filters - 2.5 x 10 - Interchangeable with AP117 & AP110 Filter Models

SG5-P1-SET
in stock

$24.99 - $24.99
$24.99
$24.99 - $24.99
$24.99

iFilters SG5-P1-SET (LWH-D) Replacement Filter Set – Whole House 2-Stage Sediment & CTO Filtration Premium OEM Replacement Filters for Whole Ho...

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$24.99 - $24.99
$24.99
$24.99 - $24.99
$24.99
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iFilters SG-GAC-SET (LWH-D Version 2) OEM Replacement Filter Set Sediment, Rust & CTO Filters - IFilters
SG-GAC-SET Variations
iFilters

iFilters SG-GAC-SET (LWH-D Version 2) OEM Replacement Filter Set Sediment, Rust & CTO Filters

SG-GAC-SET
in stock

$24.99 - $24.99
$24.99
$24.99 - $24.99
$24.99

iFilters SG-GAC-SET (LWH-D Version 2) OEM Replacement Filter Set – Sediment & Carbon GAC Upgrade your iFilters LWH-D Whole House Filtration Sys...

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$24.99 - $24.99
$24.99
$24.99 - $24.99
$24.99
24V AC Power Adapter for Softener and Filtration Systems - IFilters
PRO+AQUA

24V AC Power Adapter for Softener and Filtration Systems

IFA-19674
in stock

$21.95 - $21.95
$21.95
$21.95 - $21.95
$21.95

24V AC power adapter for Softener and Filtration Systems using a 24V Electronic Valve Head. Compatible with any softener or filtration system using...

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$21.95 - $21.95
$21.95
$21.95 - $21.95
$21.95
PRO+AQUA RV Replacement Filter for WS-P-REG-KITV2, Taste, Odor, Sediment, Chlorine - IFilters
PRO+AQUA RV Replacement Filter for WS-P-REG-KITV2, Taste, Odor, Sediment, Chlorine - IFilters
PRO+AQUA

PRO+AQUA RV Replacement Filter for WS-P-REG-KITV2, Taste, Odor, Sediment, Chlorine

FC-9-PF
Out of stock

$15.99 - $15.99
$15.99
$15.99 - $15.99
$15.99

The PRO+AQUA FC-9-PF is a dual two-stage filter in one. The first stage filters sediment, dirt, sand, and other particles down to the 5 micron leve...

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$15.99 - $15.99
$15.99
$15.99 - $15.99
$15.99
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